How to produce ultrasound wave? A: negative piezoelectric effect of transducer B: Piezoelectric effect of transducer C: Thermal effect of transducer D: The magnetic effect of transducer

‍下列哪个句子最符合科技英语写作规范？‏ A: The loudspeaker, an electroacoustic transducer, converts audio-frequency power into acoustic power. B: The loudspeaker; an electroacoustic transducer; converts audio-frequency power into acoustic power. C: The loudspeaker—an electroacoustic transducer, converts audio-frequency power into acoustic power. D: The loudspeaker—an electroacoustic transducer; converts audio-frequency power into acoustic power.

下列属于语音识别端到端模型的有： A: GMM-HMM B: Transducer C: RNN-HMM D: Attention

The_______is a crystal which, under pressure, produces an electric current which varies with the pressure A.alternator B.glass thermometer C.bourdon tube D.piezoelectric pressure transducer

‏下面的哪个英文单词能最准确的代表“传感器"三字的含义‍ A: Sensor B: Actuator C: Transducer D: Feel

下面的哪个英文单词能最准确的代表“传感器"三字的含义() A: Sensor B: Transducer C: Feel D: Actuator

‍下面的哪个英文单词能最准确的代表“传感器"三字的含义‌ A: Sensor B: Actuator C: Transducer D: Feel