U/C矩阵描述的关系是（）

BSP方法将过程和数据类两者作为定义企业信息系统总体结构的基本，具体做法是利用过（）来表达两者之间的关系。

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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

"企业系统规划方法"和"信息工程"都推荐建立表示数据类（主题数据库）和过程之间关系的CU矩阵M。其中若第i号过程产生第k号数据类，则Mik=C；若第i号过程使用第k号数据类，则Mjk=U。矩阵M按照一定的规则进行调整后，可以给出划分系统的子系统方案，并可确定每个子系统相关的（1）和（2）；同时也可了解子系统之间的（3）。 空白（2）处应选择（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。