It stores the state of the Sprite objects at each frame.
它存储子图形对象在每帧的状态。
One key difference is that Flash doesn't take a snapshot of each frame.
一个主要差别是 Flash 不获取每帧的快照。
To create animation you need to move the objects between each frame of animation.
为了创建动画你需要在每个动画帧之间移动物体。
Most of us are accustomed to a money frame, so most of us--when we lend money to each other, we do it in money terms.
我们大多数人都习惯了货币框架理念,因此,我们大多数在借给别人钱时,都以货币形式操作。
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