sampling and hold circuit

例句：

1. 1. The device uses a sampling and holdingcircuit to capture the signal.
   该设备使用采样和保持电路来捕获信号。
2. 2. The circuitis designed to sample and hold data forlong periods of time.
   这个电路被设计用来长时间采样和保持数据。
3. 3. The circuit's ability to sample and hold data iscrucial for accurate measurements.
   电路能够采样和保持数据的能力对于准确的测量至关重要。