n. keyer
misc. keying unit
本文介绍一种高性能价格比的通用色度键控器，论述其设计思想和特点。
This paper introduces the universal chroma keyer which has a high performance price ratio. The article also outlines the design ideas and feature of the equipment.
您可以通过单击遥控器上的键控制球的数量和大小。
You can control the number and size of the balls by clicking the keys on the remote control.
补数键控的新版本为你的工具箱增加电容器、感应器和交流电压源！现在你可以画出和时间形成函数关系的电流和电压。
This new version of the CCK adds capacitors, inductors and ac voltage sources to your toolbox! Now you can graph the current and voltage as a function of time.
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