联合行文时，发文机关标志可以并用联合发文机关名称，也可以单独用主办机关名称。

联合行文时，发文机关标志只应使用主办机关名称。

联合下发文件时，主办机关应在文头中排列在（）。

联合行文的发文机关标志（版头）中，应将牵头、主办单位名称刊在最后面以示谦虚。

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

公文除“会议纪要”以外，应当加盖印章。联合上报的公文，由主办单位加盖印章；联合下发的公文，（）加盖印章。印章排列顺序应与发文单位顺序相一致。

所有公文都应该加盖印章。联合上报的公文，由主办机关加盖印章；联合下发的公文，发文机关都应该加盖印章。( )