The problem isn't persistent throughout, but when it hits, it hits hard.
问题不是始终存在,但是当它出现,就会把你打得满地找牙。
But if that ground is, indeed, sloping, it means that the wind (which tends to follow the ground when it is close to the surface) hits the blades of the turbines at an Angle instead of face on.
但是,如果此处地面确实是倾斜的,这则意味着风(贴近地面吹向叶面)从一种角度吹向发电机叶片,而非正面对吹。
The MIT researchers have a patent on the way, but they are unsure what form their current prototype will take when it first hits store shelves.
麻省理工学院的调查员们马上就拥有这项专利,但是他们不确定他们目前的原型首次在搬上货架时将要采用什么样式。
应用推荐