最好能够支持不能以标准格式在文档中编码的扩展或额外的特性。
It's better to simply allow for extensions or extra features which can't be encoded in documents in the standard format.
标准xvimagesink元素显示用摄像机的yuv格式编码的帧。
The standard xvimagesink element displays frames encoded in the camera's YUV format just fine.
这意味着最新出炉的ECMA Open XML标准实际上就是遗留格式的XML编码。
This means the newly minted ECMA Open XML standard is really just an XML encoding of a legacy format.
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