HTML代码表示（）。

HTML代码表示（）

金属材料的拉伸强度<或强度极限>表示（）。

金属材料在弹性变形阶段卸载后产生塑性变形的极限应力为材料的弹性极限

表示金属材料延伸率的符号是（）

屈服强度是表示金属材料抵抗微量弹性变形的能力。( )

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

F1系列PLC—OR指令表示（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。