常用布尔算符有：and、or、not等，当采用同义词进行检索时应当选用的算符是？

煤堆上采取煤样，子样点的布置应在距地面（）米以上。

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。

子样重量的确定是根据（）进行的。

按投标图纸计量是指根据施工图对完成的工程量进行计算，以确定支付工程量的方法。

按设计图纸计量是指根据施工图对完成的工程量进行计算，以确定支付工程量的方法。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。