请举例说明几种强、中等强、弱碳化物形成元素

同辈姻亲关系的四个特点，是什么？

韵母根据韵头情况可分几类？请举例具体加以说明？

在当代，一般将姻亲分为以下几种（）。

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。

举例说明什么叫碰鱼方入？什么叫打捞方入？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。