工学 过采样型数据转换器 释 sample and hold circuit 采样保持电路 采集模拟输入电压在某一时刻的瞬时值，并在模数转换器进行转换期间保持输出电压不变，以供模数转换的电路。又称采样保持放大器。
计算机应用 计算机控制 释文 sample and hold circuit 采样保持电路
- online analysis
- on-line analytical processing
- online Analytical Processing
- online analytical processing
- online analytical processing of spatial data
- online analytical processing, OLAP
- online analytical processing，OLAP
- Online and offline E-commerce
- online and offline services
- on-line angular correlation measurement
- online auction
- online backup
- online banking
- online banking, internet banking, e-banking
- online bookstore
- online calibration
- online car-hailing
- online car rental
- online cataloging
- online charging
- on-line chemical monitoring instrument of the thermal power plant
- on-line clock
- online clothing market
- online coal ash monitor
- online communication