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。（）

将摄像机模拟视频信号编码压缩成数字信号上传网络的设备为（）。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

Premiere的基本功能包括（）。 （1）可实时采集视频信号 （2）可编辑音频、动画以以及调节音频与视频同步 （3）可编辑片段，并给片段之间添加过渡效果 （4）可在视频片段上叠加各种字幕、图标、图像及其它视频效果 （5）可改变视频特性参数，设置音频视频编码及压缩参数 （6）可输出各种数字视频格式文件，并支持多种文件格式

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。