A two electron gun method and an arrangement whereby the secondary electron emission yield of dielectric materials can be measured are introduced.

本文介绍测量绝缘介质二次电子发射系数的双枪方法，并在动态系统中进行测量。

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Sand or grind metal surfaces to prepare for coating, and paint metal surfaces using electrostatic method, spray gun or other painting equipment.

用砂纸打磨或研磨金属表面，准备涂层，并采用静电方法，喷枪或其他涂装设备，漆刷金属表面。

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Firing method of medium caliber naval gun on targets at sea is an important study of firing command automation.

中口径舰炮对海上目标的射击方法是射击指挥自动化研究中的一个重要课题。

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Reportedly, Physical Optics Corporation has concocted a prototype gun that utilizes the same method of viewing that a lobster does to see what's ahead in murky waters.

ENGADGET: LEXID prototype gun can peek through walls