数字高清摄像机相比网络高清摄像机需要更大的传输带宽来输出视频信号。

数字视频信号可以通过将模拟视频信号数字化后获得，也可以由类似数码摄像机之类的设备直接摄制。（）

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。

导游在讲解时，不能够（）地介绍景点景物。

导游在讲解时，不能够( )地介绍景点景物。

导游在讲解时，不能够（ ）地介绍景点景物。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。