wave measuring instrument

The Model NC-1 Measuring Instrument for Internal Resistance based on the square wave current method.

NC-1型内阻测定仪根据方波电流法原理制成，可用于测量大容量电池、起动电池和其他电池的内阻。

Micro-displacement Measuring Instrument with Semi-conductor Laser Fabry-Perot Interference Wave Length

半导体激光Fabry-Perot干涉波长的微位移测量仪

A modern digital electrical prospecting instrument characterized by transmitting square wave current and measuring the geoelectric parameters of real time display at the instant of minimum interference amplitude is introduced.

本文介绍一种利用现代数字电法仪方波发射、实时显示的特点，在强干扰条件下，选择地电干扰幅度最小的时刻进行采样观测的方法。

the teacher used a standing wave measuring instrument in the physics class.

老师在物理课上使用了一台驻波测量仪。