轴心时代的概念是谁提出来的？（）

初级群体的概念是谁提出来的：（）

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。

物联网的概念，最早是由美国的麻省理工学院在（）年提出来的

请问联物网这个概念是谁最先提出来的呢？

物联网的概念，最早是由美国的麻省理工学院在（）年提出来的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。