All of the above shows that international legal control on cross-boundary spread of commutable diseases is very important, particular and urgent.
而这些都表明了对于传染病跨界传播的国际法律控制的重要性、紧急性和特殊性。
This paper mainly discuss some property of ring which fit into anti-commutative law, and arrive at a conclusion that anti-commutative law is commutable.
本文主要讨论了适合反交换律的环的一些性质，并得出反交换环一定是交换环。
This paper mainly discuss some property of ring which fit into anti-commutative law, and arrive at a conclusion that anti-commutative law is commutable.
本文主要讨论了适合反交换律的环的一些性质，并得出反交换环一定是交换环。
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