本文简单介绍了现有两种反辐射导弹（ARM ）导引头随动系统，液压伺服随动系统和电动平台随动系统。
Describes briefly two existing anti-radiation missile(ARM) seeker follow-up systems, viz. the hydraulic pressure servo ARM seeker follow-up system and electromotion ARM seeker follow-up system.
但就在这些话余音在耳的区区一百年后，无翼飞机机动“僵尸”卫星，和电动绳系悬停平台已经陆续亮相。
Well, shame on us, because just over a hundred years later, we're launching wingless jets and maneuvering zombie satellites. There's even talk of an electric tethered hovering platform.
这是一个特殊的领域，他们一般用手工和电动工具维护码头平台和管道。
A relatively specialized field, roustabouts perform maintenance on oil RIGS and pipelines, using hand and power tools.
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