函数在某一点处的导数是一种无穷小比无穷小的极限。

在间断点处，函数肯定没有极限。

在间断点处，函数肯定没有极限。

函数在某一点处的导数是一种无穷小比无穷小的极限。

二阶可微的函数在极大值点处二阶导数大于0。

函数在一点处的左右极限都存在，则函数在这一点的极限存在。

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。

二阶可微的函数在极大值点处二阶导数大于0。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。