中性点直接接地系统又称为大电流接地系统。

中性点经消弧线接地系统称为大电流接地系统。

我国电力系统根据中性点接地方式分小接地电流系统和大接地电流系统，下面称为大接地电流系统的是（）.

电力系统的中性点运行方式有哪几种？中性点不接地电力系统和中性点直接接地系统发生单相接地时各有什么特点？

（）适用于系统中性点不接地的低压电网；（）适用于系统中性点直接接地的电网。

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.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

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。