peak-and-hold

基本解释

Digital Peak-Hold and Push Button Zeroing aid in improving testing productivity and reducing errors.
数字式在改进测试的生产力和减少的错误峰顶举行和电钮调零援助。
This AGC system adopts a VGA structure with CMFB and a peak-detect circuit having sample and hold function, and constructs a new-style exponential control circuit.
AGC环路中，采用了带共模反馈的VGA结构，包含一个改进的具有采样保持功能的峰值检测电路，并构造了一种新型的指数控制电路。
Simply activating the Peak-Hold feature from the front panel and adding a serial printer results in a formatted RF leakage report each time the ZERO key is pressed.
简单激活峰顶举行特点从面板，并且增加一台连续打印机结果在格式化的RF漏出报告，每次零的钥匙被按。

Plans for a road-pricing scheme in a heavily used bit of the Peak District National Park, in Derbyshire, are on hold, as is a congestion-charging scheme in Cardiff, and a planned workplace parking levy—broadly the same thing—in Nottingham.
ECONOMIST: Can road pricing spread beyond London? Not without a push