de-, 向下，强调。mark, 标记，边界。即画下边界。

1. A special UN commission was formed to demarcate the border.

联合国成立了一个特别委员会来划定边界。

来自柯林斯例句

2. Verification or falsification alone is not enough to demarcate science.

单凭证实或证伪都不足以为科学划界.

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3. Demarcate port is received, the user needs identity test and verify.

限定端口接入, 用户需身份验证.

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4. Additional, manage the demarcate sex of deadline namely.

另外, 就是经营期限的限定性.

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5. Transparency will demarcate the value creators and destroyers.

透明将把价值创造者与价值摧毁者区分开来.

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