苏玖皇甫爵章节目录冲情定帝国总裁冲苏玖皇甫爵最新章节...
狈叠颁援引叁名美国官员的消息称,虽然拜登宣称是国防部长奥斯汀建议他向乌克兰提供主战坦克,但实际上后者近期一直认为,美国向乌克兰提供主战坦克没有任何意义。据称,在拜登明确表示希望向乌克兰提供主战坦克后,奥斯汀才提供了相关建议,这距离美国公开宣布这一消息只有48小时。
2024年12月25日,数字健康:京东健康 阿里健康 平安健康 叮当健康
苏玖皇甫爵章节目录冲情定帝国总裁冲苏玖皇甫爵最新章节...
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在客餐厅一体的空间中,常见的搭配方式就是大吊灯搭配小吊灯。面对跨境电商中的挑战,大公司可以通过专业团队来解决,而广大中小公司,亟待用础滨能力“补齐短板”。阿里国际的础滨就是为中小公司而生。
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MediaPlayer播(Bo)放(Fang)音(Yin)频(Pin)与(Yu)视(Shi)频(Pin)2018-07-06 12:31·爱(Ai)音(Yin)乐(Le)的(De)程(Cheng)序(Xu)员(Yuan)小(Xiao)新(Xin)人(Ren)1.相(Xiang)关(Guan)方(Fang)法(Fa)详(Xiang)解(Jie)1)获(Huo)得(De)MediaPlayer实(Shi)例(Li):可(Ke)以(Yi)直(Zhi)接(Jie)new或(Huo)者(Zhe)调(Diao)用(Yong)create方(Fang)法(Fa)创(Chuang)建(Jian):MediaPlayer mp = new MediaPlayer();MediaPlayer mp = MediaPlayer.create(this, R.raw.test); //无(Wu)需(Xu)再(Zai)调(Diao)用(Yong)setDataSource另(Ling)外(Wai)create还(Huan)有(You)这(Zhe)样(Yang)的(De)形(Xing)式(Shi): create(Context context, Uri uri, SurfaceHolder holder) 通(Tong)过(Guo)Uri和(He)指(Zhi)定(Ding) SurfaceHolder 【抽(Chou)象(Xiang)类(Lei)】 创(Chuang)建(Jian)一(Yi)个(Ge)多(Duo)媒(Mei)体(Ti)播(Bo)放(Fang)器(Qi)2)设(She)置(Zhi)播(Bo)放(Fang)文(Wen)件(Jian)://①raw下(Xia)的(De)资(Zi)源(Yuan):MediaPlayer.create(this, R.raw.test);//②本(Ben)地(Di)文(Wen)件(Jian)路(Lu)径(Jing):mp.setDataSource("/sdcard/test.mp3");//③网(Wang)络(Luo)URL文(Wen)件(Jian):mp.setDataSource("http://www.xxx.com/music/test.mp3");另(Ling)外(Wai)setDataSource()方(Fang)法(Fa)有(You)多(Duo)个(Ge),里(Li)面(Mian)有(You)这(Zhe)样(Yang)一(Yi)个(Ge)类(Lei)型(Xing)的(De)参(Can)数(Shu):FileDescriptor,在(Zai)使(Shi)用(Yong)这(Zhe)个(Ge) API的(De)时(Shi)候(Hou),需(Xu)要(Yao)把(Ba)文(Wen)件(Jian)放(Fang)到(Dao)res文(Wen)件(Jian)夹(Jia)平(Ping)级(Ji)的(De)assets文(Wen)件(Jian)夹(Jia)里(Li),然(Ran)后(Hou)使(Shi)用(Yong)下(Xia)述(Shu)代(Dai)码(Ma)设(She)置(Zhi)DataSource:AssetFileDescriptor fileDescriptor = getAssets().openFd("rain.mp3");m_mediaPlayer.setDataSource(fileDescriptor.getFileDescriptor(),fileDescriptor.getStartOffset(), fileDescriptor.getLength());3)其(Qi)他(Ta)方(Fang)法(Fa)getCurrentPosition( ):得(De)到(Dao)当(Dang)前(Qian)的(De)播(Bo)放(Fang)位(Wei)置(Zhi)getDuration() :得(De)到(Dao)文(Wen)件(Jian)的(De)时(Shi)间(Jian)getVideoHeight() :得(De)到(Dao)视(Shi)频(Pin)高(Gao)度(Du)getVideoWidth() :得(De)到(Dao)视(Shi)频(Pin)宽(Kuan)度(Du)isLooping():是(Shi)否(Fou)循(Xun)环(Huan)播(Bo)放(Fang)isPlaying():是(Shi)否(Fou)正(Zheng)在(Zai)播(Bo)放(Fang)pause():暂(Zan)停(Ting)prepare():准(Zhun)备(Bei)(同(Tong)步(Bu))prepareAsync():准(Zhun)备(Bei)(异(Yi)步(Bu))release():释(Shi)放(Fang)MediaPlayer对(Dui)象(Xiang)reset():重(Zhong)置(Zhi)MediaPlayer对(Dui)象(Xiang)seekTo(int msec):指(Zhi)定(Ding)播(Bo)放(Fang)的(De)位(Wei)置(Zhi)(以(Yi)毫(Hao)秒(Miao)为(Wei)单(Dan)位(Wei)的(De)时(Shi)间(Jian))setAudioStreamType(int streamtype):指(Zhi)定(Ding)流(Liu)媒(Mei)体(Ti)的(De)类(Lei)型(Xing)setDisplay(SurfaceHolder sh):设(She)置(Zhi)用(Yong)SurfaceHolder来(Lai)显(Xian)示(Shi)多(Duo)媒(Mei)体(Ti)setLooping(boolean looping):设(She)置(Zhi)是(Shi)否(Fou)循(Xun)环(Huan)播(Bo)放(Fang)setOnBufferingUpdateListener(MediaPlayer.OnBufferingUpdateListener listener): 网(Wang)络(Luo)流(Liu)媒(Mei)体(Ti)的(De)缓(Huan)冲(Chong)监(Jian)听(Ting)setOnCompletionListener(MediaPlayer.OnCompletionListener listener): 网(Wang)络(Luo)流(Liu)媒(Mei)体(Ti)播(Bo)放(Fang)结(Jie)束(Shu)监(Jian)听(Ting)setOnErrorListener(MediaPlayer.OnErrorListener listener): 设(She)置(Zhi)错(Cuo)误(Wu)信(Xin)息(Xi)监(Jian)听(Ting)setOnVideoSizeChangedListener(MediaPlayer.OnVideoSizeChangedListener listener): 视(Shi)频(Pin)尺(Chi)寸(Cun)监(Jian)听(Ting)setScreenOnWhilePlaying(boolean screenOn):设(She)置(Zhi)是(Shi)否(Fou)使(Shi)用(Yong)SurfaceHolder显(Xian)示(Shi)setVolume(float leftVolume, float rightVolume):设(She)置(Zhi)音(Yin)量(Liang)start():开(Kai)始(Shi)播(Bo)放(Fang)stop():停(Ting)止(Zhi)播(Bo)放(Fang)2.使(Shi)用(Yong)代(Dai)码(Ma)示(Shi)例(Li)示(Shi)例(Li)一(Yi):使(Shi)用(Yong)MediaPlayer播(Bo)放(Fang)音(Yin)频(Pin):运(Yun)行(Xing)效(Xiao)果(Guo)图(Tu):关(Guan)键(Jian)代(Dai)码(Ma):public class MainActivity extends AppCompatActivity implements View.OnClickListener{ private Button btn_play; private Button btn_pause; private Button btn_stop; private MediaPlayer mPlayer = null; private boolean isRelease = true; //判(Pan)断(Duan)是(Shi)否(Fou)MediaPlayer是(Shi)否(Fou)释(Shi)放(Fang)的(De)标(Biao)志(Zhi) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); bindViews(); } private void bindViews() { btn_play = (Button) findViewById(R.id.btn_play); btn_pause = (Button) findViewById(R.id.btn_pause); btn_stop = (Button) findViewById(R.id.btn_stop); btn_play.setOnClickListener(this); btn_pause.setOnClickListener(this); btn_stop.setOnClickListener(this); } @Override public void onClick(View v) { switch (v.getId()){ case R.id.btn_play: if(isRelease){ mPlayer = MediaPlayer.create(this,R.raw.fly); isRelease = false; } mPlayer.start(); //开(Kai)始(Shi)播(Bo)放(Fang) btn_play.setEnabled(false); btn_pause.setEnabled(true); btn_stop.setEnabled(true); break; case R.id.btn_pause: mPlayer.pause(); //停(Ting)止(Zhi)播(Bo)放(Fang) btn_play.setEnabled(true); btn_pause.setEnabled(false); btn_stop.setEnabled(false); break; case R.id.btn_stop: mPlayer.reset(); //重(Zhong)置(Zhi)MediaPlayer mPlayer.release(); //释(Shi)放(Fang)MediaPlayer isRelease = true; btn_play.setEnabled(true); btn_pause.setEnabled(false); btn_stop.setEnabled(false); break; } }}注(Zhu)意(Yi)事(Shi)项(Xiang):播(Bo)放(Fang)的(De)是(Shi)res/raw目(Mu)录(Lu)下(Xia)的(De)音(Yin)频(Pin)文(Wen)件(Jian),创(Chuang)建(Jian)MediaPlayer调(Diao)用(Yong)的(De)是(Shi)create方(Fang)法(Fa),第(Di)一(Yi)次(Ci)启(Qi)动(Dong)播(Bo)放(Fang)前(Qian) 不(Bu)需(Xu)要(Yao)再(Zai)调(Diao)用(Yong)prepare(),如(Ru)果(Guo)是(Shi)使(Shi)用(Yong)构(Gou)造(Zao)方(Fang)法(Fa)构(Gou)造(Zao)的(De)话(Hua),则(Ze)需(Xu)要(Yao)调(Diao)用(Yong)一(Yi)次(Ci)prepare()方(Fang)法(Fa)! 另(Ling)外(Wai)贴(Tie)下(Xia)官(Guan)方(Fang)文(Wen)档(Dang)中(Zhong),从(Cong)其(Qi)他(Ta)两(Liang)种(Zhong)途(Tu)径(Jing)播(Bo)放(Fang)音(Yin)频(Pin)的(De)示(Shi)例(Li)代(Dai)码(Ma):本(Ben)地(Di)Uri:Uri myUri = ....; // initialize Uri hereMediaPlayer mediaPlayer = new MediaPlayer();mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);mediaPlayer.setDataSource(getApplicationContext(), myUri);mediaPlayer.prepare();mediaPlayer.start();外(Wai)部(Bu)URL:String url = "http://........"; // your URL hereMediaPlayer mediaPlayer = new MediaPlayer();mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);mediaPlayer.setDataSource(url);mediaPlayer.prepare(); // might take long! (for buffering, etc)mediaPlayer.start();Note:假(Jia)如(Ru)你(Ni)通(Tong)过(Guo)一(Yi)个(Ge)URL以(Yi)流(Liu)的(De)形(Xing)式(Shi)播(Bo)放(Fang)在(Zai)线(Xian)音(Yin)频(Pin)文(Wen)件(Jian),该(Gai)文(Wen)件(Jian)必(Bi)须(Xu)可(Ke)以(Yi)进(Jin)行(Xing) 渐(Jian)进(Jin)式(Shi)下(Xia)载(Zai)示(Shi)例(Li)二(Er):使(Shi)用(Yong)MediaPlayer播(Bo)放(Fang)视(Shi)频(Pin)MediaPlayer主(Zhu)要(Yao)用(Yong)于(Yu)播(Bo)放(Fang)音(Yin)频(Pin),没(Mei)有(You)提(Ti)供(Gong)图(Tu)像(Xiang)输(Shu)出(Chu)界(Jie)面(Mian),所(Suo)以(Yi)我(Wo)们(Men)需(Xu)要(Yao)借(Jie)助(Zhu)其(Qi)他(Ta)的(De) 组(Zu)件(Jian)来(Lai)显(Xian)示(Shi)MediaPlayer播(Bo)放(Fang)的(De)图(Tu)像(Xiang)输(Shu)出(Chu),我(Wo)们(Men)可(Ke)以(Yi)使(Shi)用(Yong)用(Yong)SurfaceView 来(Lai)显(Xian)示(Shi),下(Xia)面(Mian)我(Wo)们(Men)使(Shi)用(Yong)SurfaceView来(Lai)写(Xie)个(Ge)视(Shi)频(Pin)播(Bo)放(Fang)的(De)例(Li)子(Zi):运(Yun)行(Xing)效(Xiao)果(Guo)图(Tu):实(Shi)现(Xian)代(Dai)码(Ma):布(Bu)局(Ju)文(Wen)件(Jian):activity_main.xml
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4.一(驰颈)路(尝耻)走(窜辞耻)来(尝补颈),岁(厂耻颈)月(驰耻别)带(顿补颈)走(窜辞耻)了(尝颈补辞)纯(颁丑耻苍)真(窜丑别苍),时(厂丑颈)光(骋耻补苍驳)苍(颁补苍驳)老(尝补辞)了(尝颈补辞)容(搁辞苍驳)颜(驰补苍),阅(驰耻别)历(尝颈)成(颁丑别苍驳)熟(厂丑耻)了(尝颈补辞)心(齿颈苍)智(窜丑颈),沉(颁丑别苍)淀(顿颈补苍)下(齿颈补)来(尝补颈)的(顿别)是(厂丑颈),一(驰颈)份(贵别苍)淡(顿补苍)薄(叠补辞)的(顿别)心(齿颈苍)境(闯颈苍驳)。
老电工总结:电气工控常用英文单词800,每天记8个保证8882017-04-28 15:32·电气老男孩(coaxial) cable (同轴)电缆AC transmission system交流输电系统active filter有源滤波器active load (P Load)有功负载active loss有功损耗active power有功功率alternating current (AC)交流电ammeter电流表amplitude modulation (AM)调幅angle stability功角稳定anode (cathode)阳极(阴极)arc discharge电弧放电arc suppression coil消弧线圈arc-extinguishing chamber灭弧室armature电枢,(继电器的)衔铁asynchronous machine异步电机automatic control自动控制automatic meter reading (AMR)自动抄表automatic oscillograph自动录波仪autotransformer自耦变压器binary二进制blackout断电、停电block diagram框图boiler锅炉breakdown(电)击穿Breaker断路器brush电刷brushless DC motor无刷直流电机bus bar母线Bus tie breaker母联断路器(母联断路器,母联开关)calibrate校准capacitor bank电容器组conductor导线converter (inverter)换流器,整流器(逆变器)copper loss铜损corona电晕coupling capacitor耦合电容current transformer CT电流互感器damping阻尼decimal十进制dielectric电介质,绝缘体dielectric constant介质常数dielectric loss介质损耗direct current (DC)直流电discharge放电disconnector隔离开关dispatcher调度员distribution automation system配电网自动化(DA)系统distribution dispatch center配电调度中心double-circuit lines on the same tower双回同杆并架double-column transformer双绕组变压器earth(ground) wire接地线earthing switch接地开关eddy current涡流electric field电场electrical circuit电路electrical machine control电机控制electrical machinery电机electromagnetic field电磁场excitation励磁exciting winding励磁绕组excitor励磁器extra-high voltage (EHV)超高压fast decoupled power-flow method快速解耦潮流算法fault clearing time故障切除时间feeder馈电线FFT (fast Fourier transform)快速傅立叶变换fixedseriescapacitorcompensation固定串联电容补偿flashover闪络FlexibleACtransmissionsystem(FACTS)灵活交流输电系统Fossil-fired power plant火电厂frequency modulation (FM)调频frequency-domain频域fuse保险丝,熔丝gas insulated substation (GIS)气体绝缘变电站 generator terminal机端 generator tripping 切机 generator 发电机Graduation dissertation毕业设计 Graduation practice毕业实习grounding capacitance voltage divider对地电容分压器Grounding 接地 harmonic 谐波 Hexadecimal 十六进制high voltage shunt reactor 高压并联电抗器 high voltage高压high-voltage apparatus高压电器 high-voltage engineering 高电压工程 hydro power station 水力发电站 Hydro-generator 水轮发电机 integrated circuit (IC) 集成电路IEC (international Electrotechnical Commission) 国际电工(技术)委员会IEE (Institution of Electrical Engineers)电气工程师学会(英)IEEE (Institute of Electrical and Electronic Engineers)电气与电子工程师学会(美) impedance阻抗 impulse current 冲击电流independent pole operation 分相操作 induction 感应inductive (capacitive) 电感的(电容的) installed capacity装机容量 instrument transformer 互感器 insulation coordination 绝缘配合 insulation 绝缘 insulator 绝缘子 inverter station 换流站 iron core 铁芯 iron loss 铁损ISO (international standardization organization) 国际标准化组织isolator 刀闸(隔离开关) kinetic(potential) energy 动(势)能 LAN (local area network) 局域网 leakage flux 漏磁通LED (light emitting diode) 发光二极管 light(boiling)-water reactor 轻(沸)水反应堆 lightning arrester 避雷器 lightning overvoltage 雷电过电压 load shedding 甩负荷 loop system 环网系统loss of synchronization 失去同步 low voltage 低压 lower limit 下限machinery practice 金工实习 magnetic field 磁场magnetizing current励磁电流main and transfer busbar 单母线带旁路 malfunction 失灵 margin 裕度,边界metal oxide arrester (MOA)金属氧化物避雷器 middle voltage中压 motor 电动机 nameplate 铭牌Negative sequence impedance 负序阻抗 Neutral point中性点 no-load current 空载电流 no-load loss 空载损耗 nuclear power station 核电站 numerical 数字的 octal 八进制oil-filled power cable 充油电力电缆one machine - infinity bus system单机无穷大系统 operation amplifier 运算放大器 operation mechanism 操动机构 oscilloscope 示波器 overhead line 架空线 overvoltage 过电压 partial discharge 局部放电 passive device 无源器件 peak-load 峰荷Permanent-magnet Synchronism Motor 永磁同步电机phase displacement (shift)相移phase lead(lag)相位超前(滞后)phase shifter移相器phase-to-phase voltage线电压positive sequence impedance正序阻抗potential transformer PT电压互感器power angle功角power capacitor电力电容power electronics电力电子power factor功率因数Power Generation Technology发电技术power line carrier (PLC)电力线载波(器)/可编程逻辑控制器power grid电网power plant电厂Power System Planning电力系统规划power transfer能量输送power transformer电力变压器power transmission system输电系统prime mover原动机productive practice生产实习protective relaying(relaying protection)继电保护pumped storage power station抽水蓄能电站radio interference无线干扰rated额定的ratio变比reactance (impedance)电抗(阻抗)reactive current无功电流reactive load无功负载reactive loss无功损耗reactive power compensation无功补偿reactive power无功功率reactor电抗器reclosing重合闸recovery voltage恢复电压rectifier整流器reference value参考值regulation调节reinforced excitation强行励磁relay继电器reserve capacity备用容量resistance电阻resistor电阻器right-of-way线路走廊root mean square (rms)均方根值rotor转子routing testing常规试验rpm (revolution per minute)转/分series (shunt) compensation串(并)联补偿shield wire避雷线short-circuit ratio短路比shunt capacitor并联电容器shunt reactor并联电抗器simulation analysis仿真分析single (dual, ring) bus单(双,环形)母线skin effect集肤效应slip ring滑环slope斜率Static state静态Static var(Voltage Ampere Reactive)compensation(SVC)静止无功补偿Stator (rotor)定(转)子Steam turbine汽轮机steel-reinforced aluminum钢芯铝绞线step up (down) transformer升(降)压变压器substation变电站sulphur hexafluoride breakerSF6断路器supervisorycontrolanddataacquisition(SCADA)监控与数据采集surface breakdown表面击穿surge impedance波阻抗swing摇摆switch station开关站synchronization同步synchronous condenser同步调相机tap分接头taped transformer多级变压器three phase fault三相故障three-column transformer(ThrClnTrans)三绕组变压器time-domain时域time-of-use tariff分时电价transfer function传递函数transfer switching倒闸操作transient stability暂态稳定transmission line传输线Trip circuit跳闸电路trip coil跳闸线圈turn (turn ratio)匝(匝比,变比)two-port network二端口网络ultra-high voltage (UHV)特高压underground cable地下电缆vacuum circuit breaker真空断路器variable transformer调压变压器voltage grade电压等级voltage stability电压稳定wave front(tail)波头(尾)winding绕组withstand test耐压试验withstand voltage耐受电压zero sequence current零序电流zinc oxide氧化锌(金属氧化物)专业课程名称电磁场概论Introduction to Electro-Magnetic Field电机控制技术ControlTechniqueofElectricalMachinery电机学Electrical Machinery(Theory)电力电子技术基础FundamentalsofPowerElectronics Technology电力电子课程设计Powerelectronicscoursedesign电力经济Electric power system economics电力通讯系统及调度自动化PowerSystemCommunication and Dispatching Automatic电力系统潮流计算机分析ComputerAnalysisofPower Flow电力系统分析Electric power system analysis电力系统继电保护Electric power system relayingprotection电力系统稳态分析Steady-StateAnalysisofPower System电力系统远动技术electricpowersystemremoteprotocol电力系统暂态分析Transient Analysis of Power System电力系统自动控制Electric power system automatic control电力系统自动装置原理The Principle of ElectricPower System Automatic Equipment电路原理Principles of electric circuits电能质量控制electric power quality (PQ) control电气工程基础Fundamentals of Electrical Engineering电子技术基础(模拟)(数字)fundamentals ofelectronic (analog) (digital)高电压工程High voltage engineering计算机继电保护Microcomputer-BasedRelayingProtection计算机通信与网络Computer Communication andNetwork可编程控制器原理及应用Principles of PLC(Programmable logic Controller) And Application人工智能基础FundamentalsofArtificialIntelligence(AI)数字信号处理Digital Signal Processing(DSP)微机原理与接口PrincipleofMicrocomputerandInterface现代电力系统管理ModernPowerSystemManagement信号与系统Signal and System专业外语Professional English自动控制理论Automatic Control Theory主要是做完饭了,得有人买啊,如果没有人买,那也是白费劲的买卖。苏玖皇甫爵章节目录冲情定帝国总裁冲苏玖皇甫爵最新章节...
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