按住（）键，用椭圆工具可以绘制出正圆。按住（）键，用矩形工具可以绘制出正方形。  

可以在（）阶段采用Make-or-buy决策分析。

在MAC系统的Adobe Photoshop软件中，选框工具状态下按住（）键同时拖动鼠标可以得到正方形的选区。

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。

“工具选项板”窗口可以固定在应用程序窗口的左边或右边，按住什么键可以防止“工具选项板”窗口在移动时固定（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

钾长石和钙长石在任意情况下可以任意比例互溶。