简述竹柏属与罗汉松属的区别？

在试题质量质量分析中，试题区别度的意义是（）

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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

绵霉属与水霉属的菌丝基本相同，其动孢子的发育与水霉属也相同。

简述农学（广义、中义、狭义）的含义。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。