In the same range of total energy variation it have an more effect on shock speed for different initial speed than for different driving time.
能量变化范围相同时，不同初速比不同驱动时间对激波传播速度影响更大。
For the deformation of deep excavation there are several evaluation factors and the safety degree of the factors is generally not in the same range.
深基坑工程变形往往有多个评价指标，但在工程实践中，各个评价指标往往不在同一范围内，这给深基坑工程的整体安全性评价带来了困难。
At the same time, airports have been developing and expanding the range of services that they provide specifically for the business traveller in the terminal.
与此同时，机场一直在发展和扩大这些服务的种类范围，这类服务是特地为航站楼的商务旅客提供的。
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