Species delimitation is an old issue that has recently attracted renewed attention.
物种界定是个很古老的问题，近年来又引起了重新关注。
It can be information transparent transfer of the Internet, it may be subnet border delimitation.
它可以将信息透明地子网上进行传递，它可由子网边界定界。
The negotiation and delimitation of national boundaries is an important and complicated problem.
边界谈判划界是一个重要而又复杂问题，结合了谈判划界业务流程；
The negotiation and delimitation of national boundaries is an important and complicated problem.
边界谈判划界是一个重要而又复杂问题，结合了谈判划界业务流程；
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