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
- left universal solution
- left vector space
- left ventricle
- left ventricular ejection fraction
- leftward acceleration
- leftward extraction rule
- left weak dimension
- left-wing film movement
- left-wing movement in music
- left wing of an occurrence
- left zero
- left zero divisor
- left zero element
- left zeroid
- left zero morphism
- left zero semigroup
- Lefébure de Fourcy
- Lefévre-Gineau
- leg
- Legacy
- legacy
- legacy information system
- legacy-support agreement
- legacy system
- legal administration of the sports industry