简述什么计算机网络的拓扑结构，有哪些常见的拓扑结构。

简述计算机网络的拓扑结构，典型的网络拓扑有哪些？

口服补液及时纠正脱水，应用ORS，说法正确的是（）

计算机网络有哪几种拓扑结构？

计算机网络系统的拓扑结构主要有（）、（）、（）、（）、（）和（）几种。

计算机网络的拓扑结构有（）。

计算机网络按照拓扑结构分类有（）网络。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。