规定新颖性条件的目的，就在于防止将已经公知的技术批准为专利。
The aim of the novelty requirements is to avoid awarding patent right to public technology.
用于水刀手术的医用泵是公知的。
我的意思是说等到研究结果公知于众的时候，也许就为时已晚了。
I mean, by the time the results come out, it might be too late.
公知的铅笔，大多数都为圆柱体和八棱柱体，容易滚落，不太理想。
Most of the prior pencils are cylindrical and octagonal, easy to roll and not ideal.
公知的铅笔，大多数都为圆柱体和八棱柱体，容易滚落，不太理想。
Most of the prior pencils are cylindrical and octagonal, easy to roll and not ideal.
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