读取有源应答器报文为空报文，则说明应答器与LEU通信中断。

TCC主机单元通过LEU通信接口单元中的应答器报文实时编码版和LEU通信，向LEU发送应答器报文数据，并接收LEU和应答器设备的状态信息。

读取有源应答器报文为空报文，则说明应答器与LEU通信中断。

Do you agree or disagree with the following statement? People are never satisfied with what they have; they always want something more or something different. Write a composition of about 400 words to state your view on the issue.

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）