在拍摄时，光圈越（），焦距越（），景深范围越小。

在同一场景拍摄的几个镜头,下列哪种组接会出现视觉跳动

在被摄物明暗反差太大或亮度变化过快时,不管是拍固定镜头,还是拍变焦镜头或摇摄镜头,由于图像平均亮度的变化,使用自动光圈会不太恰当,这时须用自动光圈锁定光圈值,这样拍摄时光圈就不会变了锁定光圈值的方法包括

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。

技术相机拍摄时，选择镜头最佳光圈的因素有（）。

（）也称短焦距镜头。它视角广、视野大，景深也大。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。