我选择做一个简单的镜头动作，因为镜头遮罩方式是受限制的。

I chose to do a simple camera movement because the camera map method is restricted.

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本文给出了一种监控系统控制云台及电动镜头动作的解码电路，详细论述了系统的构成及各部分的原理。

This paper introduces a decoding circuit for controlling PAN/TILT and LENS actions in monitor system, and presents the system's structure and principle of all components in detail.

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几组镜头被拍成了慢动作。

Some scenes were filmed in slow motion.

《牛津词典》