例句與造句

1. Electrodynamic shakers are used in most cases because they can operate over a broad frequency range with accurately controlled waveform .
   極大多數(shù)的情況下應(yīng)用電動振動臺，因為它能在一定廣的頻率范圍內(nèi)工作并且能準(zhǔn)確地控制波形。
2. It's difficult to find control waveform in a sentence. 用control waveform造句挺難的