题目内容

对于生物技术知识产权“创造性”的判定，仅以自然界已存在该生命物质为排除理由。

A. 正确
B. 错误

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Which of the following statements is true about the 80/20 rule （Select all that apply）？（）

A. 20 percent of the traffic on a network segment should be local.
B. no more than 20 percent of the network traffic should be able to move across a backbone.
C. no more than 80 percent of the network traffic should be able to move across a backbone.
D. 80 percent of the traffic on a network segment should be local.

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