例句與造句

1. According to the electromagnetic induction theory , abrupt variation of current in the transmitter loop will induce magnetic field around it , which is called the first field . in the transmission of the first field , when it meets good conductor target , induce current will be created , which is called erratic current of second current . because the second current changes with time , so it will create new magnetic field , which is called
   對(duì)于接收部分,由于瞬變信號(hào)具有早期信號(hào)幅度大、衰減快,而中晚期信號(hào)幅度小、衰減慢的大動(dòng)態(tài)范圍的特點(diǎn),必須設(shè)計(jì)適應(yīng)這種大動(dòng)態(tài)范圍信號(hào)的采集電路;為了適應(yīng)野外工作,系統(tǒng)主控部分采用具有功耗低、高速處理的dsp ,通過高速通用串行接口usb與上位機(jī)通訊,實(shí)現(xiàn)對(duì)整個(gè)探測(cè)系統(tǒng)的控制。
2. It's difficult to find erratic current in a sentence. 用erratic current造句挺難的