已知X=21，Y=15，Z=22，计算表达式（（X>Y）or（Y>Z））and（（X<><>

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。

夜间新闻摄影提高感光度是为了（）

标准符号GB与GB/T含义相同。（）

2005年，承德县与其他21个县（市）成为河北省首批（），被赋予与设区市相同的部分经济和社会管理权限。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

《公共场所空气中氨测定方法》GB/T18204.25-2000中，靛酚蓝分光光度法与纳氏试剂分光光度法的相同之处（）。