输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

重组上市一般路径有（）。 Ⅰ、上市公司以非公开发行方式直接向收购方发行股份购买其资产 Ⅱ、非上市公司首先通过协议或直接二级市场购买等方式取得上市公司控制权 Ⅲ、非上市公司直接在一级市场购买 Ⅳ、上市公司在一级市场购买资产

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）通过搜集和积累消费者的大量信息预测消费者购买产品的偏好。

市场是（）购买者和（）购买者的总和。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。