Which WLAN device is often used to make wireless connections between buildings or campuses?（）

文档评审是网络规划优化项目管理制度的一个重要内容，通过文档评审制度保证网络规划优化的合理性，保障网络规划优化项目实施的质量。

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

在某地搬迁网络工程实施中。 （1）在网络割接之前，网络规划优化工程师需要收集和采集哪些原有网络的内容？ （2）从网络规划优化的角度，在网络搬迁工程的网络规划中，应该注意哪些方面的内容，才能保证网络搬迁后的网络质量？

某地GSM网络基站搬迁实施后发现各种覆盖问题，引起客户不满。作为网络规划工程师，请简述在搬迁工程中， （1）在网络割接之前，网络规划优化工程师需要收集和采集哪些原有网络的内容？ （2）从网络规划优化的角度，在网络搬迁工程的网络规划中，应该注意哪些方面的内容，才能保证网络搬迁后的网络质量？

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

Which logical channel is used to transfer signaling messages such as resource reallocation？（）

Which do you think is ______ important, money or health?

Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）

Seasickness is caused by rolling or rocking motions which affect fluids in the（）.