这些角色全部由电脑生成，但是他们的动作和表情都由演员控制。

These characters were to be entirely computer generated, but with their movements and facial expressions controlled by actors.

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注意表情和姿势等非语言线索，从而理解对方言语信息的全部要点。

Look for non-verbal cues such as facial expressions and posture to get the full gist of what information the speaker is conveying.

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另一种不同的技术则是让表情在一幅图像上不断“演变”，使研究人员能够在很短的时间里对全部的表情进行研究。

A different technique allows expressions to "evolve" on an image, allowing researchers access to the whole expression at once.

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