本文在分析低风速风能利用策略的基础上，认为设计适合低风速发电的大型风电机组是必要的。
On the basis of studying how to use wind energy of low wind speed, a conclusion was drawn that design a large wind turbine which is suitable to generate electricity by low wind speed is essential.
风能需要一定量的持续风速才能起作用。
Wind energy requires a certain amount of sustained wind speeds to be effective.
离中心150公里处风速为飓风级，而热带风暴级的风能延伸到距离中心325公里的地方。
Hurricane force winds extended as far as 90 miles (150 km) from the center, with tropical storm force winds stretching to 200 miles (325 km).
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