输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。

国际私法调整的对象是国际民商事法律关系，下列法律关系，属于国际私法调整的有哪几项?（　）

下列哪些方法是国际私法调整涉外民商事法律关系时特有的调整方法（）

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。

国际经济法是调整国际经济关系的法律规范的总称。关于国际经济法的调整对象和法律渊源，下列哪项判断是正确的?

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

布尔逻辑具体检索时，是通过三个布尔运算符来实现其功能的：AND、OR、（）。