sine wave form

例句：

1. 1. The signal was measured using a sine wave form generator.
   信号使用正弦波形式发生器进行了测量。
2. 2.The sine wave form of the signal is consistent with the theoretical model.
   信号的正弦波形式与理论模型一致。
3. 3.The sine wave form of the signal is used to determine its frequency.
   信号的正弦波形式被用来确定其频率。