A hurricane or typhoon is a system with sustained winds of at least 33 metres per second(119 km/h).

飓风/台风是指风速至少达到33米/秒（119千米/时）的风暴系统。

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Given the size of the quake, damage can be expected with a 100 km radius of the epicenter, says Robbie Morris, a project scientist with the Australian Tsunami Warning System.

考虑到这次地震的级别，预计破坏范围在距震中半径100公里的范围内。

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The typical trench system in World War I consisted of a series of two, three, four, or more trench lines running parallel to each other and being at least 1 mile (1.6 km) in depth.

第一次世界大战时典型的堑壕体系由2至4条以至更多的一系列壕沟组成，壕沟之间彼此平行，而且纵深可以达到1英里（合1.6公里）。

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Bangkok's new Skytrain, a mere 23-km system, is already credited with improving traffic by about 4%.

CNN: The Best Transport

In China, Beijing is adding 13.5 km to its existing system, compared to 23 km in Guangzhou and 27 km for Shanghai.

CNN: The Best Transport