moving-magnet

基本解释

The works provide a theoretical basis for the optimal design and control of moving magnet-iron linear oscillatory actuator with two divided stators.
研究结果将为该类新型执行器的优化设计及驱动控制提供较好的理论依据。
Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.
通过动力电缆给井下直线电机供电后产生交变磁场，永磁体动子在交变磁场作用下带动泵柱塞上下往复运动，从而达到举升抽油的目的。
syxb-cps.com.cn
Today the most commonly used geophone is the magnet-electrical velocity geophone, also called the moving-coil geophone, moving-coil geophone is one of important link in the seismic exploration.
目前最常用的地震检波器是磁电式速度型地震检波器，又称动圈式检波器，动圈式检波器的测试是地震勘探中一个重要的环节。

This moving average has been a magnet since mid-2009.
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The stock is still below all of its moving averages, but as we often see, the 21-day MA is acting like a magnet.
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