课程将指导您从基本主题，像饱和度和阅读范围是什么，他们的方式选择性跟踪和键控等先进的学科。
The course will guide you from basic subjects, like what is saturation and reading the scopes, all they way to advanced subjects such as selective tracking and keying.
色度键控可以选择显示图像的那一部分。
VID_TYPE_CHROMAKEY: Chromakey can be used to select which parts of the image to display.
因为整体选择装置是从锁定主体键控操作，损坏非常困难。
Because the integral selection device is operated starting from locking the main body key, the damage is very difficult.
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