观测误差分为过失误差，系统误差和（）3种。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

因精神不集中看错数据，造成的误差，称为什么误差？

测量数据误差的来源有：系统误差、随机误差、过失误差。

测试数据的来源有系统误差、随机误差、过失误差。

统计数据的误差通常有抽样误差和非抽样误差两类。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。