防火墙技术从发展历史来看，可以分为以下几种类型（）

可以在（）阶段采用Make-or-buy决策分析。

在人类历史的发展进程中，与信息技术直接相关的重大发明是（）

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。

在科学发展观的内容中，可以直接解释为落实科学发展观的根本要求的是（　　）

按摩的发展简史按摩。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。