The control principle of standing wind-drive device is proposed in this paper based on expatiating patent technology of standing wind-power generator.
性能良好的集风装置是风力发电以及其它一些利用风能作为主要动力源的设备能够高效工作的重要保证。
2
When you go through the air with a car, there is wind the same wind that you feel when you drive your bicycle.
当车穿过空气时，就会产生风，你也能感觉到这种风，在你骑自行车时。
3
In a report released last December, the U.S. Department of Energy estimated that widespread use of electric-drive vehicles and offshore wind farms could cause shortages of these metals by 2015.