产品的经济生命周期也叫做产品的市场生命周期。

与产品生命周期阶段相适应，新产品在引入阶段可’采用无差异性营销战略。（）

在产品生命周期的成熟期，为了吸引顾客，延长产品期的时间，保持和提高市场占有率，市场营销策略要突出的重点是（）。

除典型的产品生命周期外，还有（）等产品生命周期。

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。

产品在国际市场上的产品生命周期与其在一国内的产品生命周期是没有区别的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。