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他们是独立的，可单独使用。
They stand alone and can be used alone.
youdao
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专有部分具有独立性，应按本来用途使用；
The exclusive portion is independent, and should be applied according to its original purpose;
youdao
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专有部分具有独立性，应按本来用途使用；
The exclusive portion is independent, and should be applied according to its original purpose;
youdao