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。
2
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.