electron chronometer

Research and application of accurate timing mechanism in control system based on windows;

Windows控制系统的精确计时机制研究及应用

programmable electronic timer

可编程序的电子计时器

Electronic Control Designs of Three-phase Asynchronous Motor Based on 555 Timer

基于555定时器的三相异步电动机电子控制设计

The Software Design of Real-time Communication Between the Electronic Payment Cipher Instrument and Computer;

电子支付密码器与计算机实时通信的软件设计

counter ,electronic impulse (scalers)

电子脉冲计数器（定标器）

electron-photon shower counter

电子光子簇射计数器

The Design for Implementing Synchronization of Merging Unit in Electronic Transducers;

电子式互感器合并单元同步时钟模块的设计

A race is timed electronically by a phototimer which is accurate to one hundredth of a second.

径赛采用配有摄影计时器的电子计时，精确到百分之一秒。

Principles & Design of Micro-electronics Apparatus

微电子器件原理与设计

exo-electron proportional counter

外逸电子正比计数器

ectronic blood-cell counter

电子自动血细胞计数器

electronic retina computing reader

电子视网膜计算阅读器

electronic computing gunsight

电子计算射击瞄准器

Course Design of Micro-electronics Apparatus

微电子器件课程设计

In these days of electronic calculators, the slide rule is out of date as a mathematical aid.

在使用电子计算器的当代，作为数学辅助特的计算尺已经过时了。

In the days before electronic calculators all children had to learn their tables by hert.

在以前没有电子计算器的时代，孩子们都记得住乘法表。

Study and Design of Powerdown Time Delay Relay

断电延时型时间继电器的研究与设计

Electronic measuring instruments and computers are all over the place

电子测量仪器和电子计算机比比皆是。

Calculation and Analysis of the Electrical Field on the Electrode Edge of Impulse Capacitior Under Discharge Voltage

脉冲电容器放电时边缘电场计算分析