这种系统用计算机程序由组成图片的数据生成一种编码。

These use computer programs to generate a code from the very data that comprise the image.

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但没有告诉计算机有效的信息，比如哪里是关节，哪里是四肢等。 程序员需深入分解原始数据，为身体各部分，进行人工编码。

But those recordings can’t tell the computer anything useful about joints and limbs on their own, so programmers dive into the raw data and hand-code it to label each body part (at each frame!).

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php是用于Drupal编码和执行的计算机语言和解释程序。

And PHP is the computer language and interpreter used to code and execute Drupal.

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