这样实现了电风扇风力等级的自动化调整，无需人工调整。
And then automatic adjustment of grades of the wind force of the electric fan is achieved without manual regulation.
根据地震等级和风力等级的计算原理，提出了区域水环境自净能力等级的概念。
According to the calculating principle of wind scale and earthquake magnitude, the concept of the magnitude of self-purification capacity of water environment of area was put forward.
通过分析在不同的输入功率下化冰时间与风力等级的关系，得到了风力对融雪化冰时效果的影响以及必须考虑的最小风级。
The relationship between the time of deicing and the wind scale at different input power is studied and the minimum wind scale which must be considered in deicing or snow melting is obtained.
一种自然的思考方式是比照基于最高持续风力的萨菲尔—辛曾森飓风等级。
A natural way to think of it would be analogous to the saffir-simpson hurricane scale that is based on maximum sustained wind speed.
目前，风电接入电网出现了与以往不同的特点，表现为：(1)单个风力发电场容量增大(2)风电场接入电网的电压等级更高。
Currently, there are some noticeable characteristics of the wind power integration behaving as following: (1) each single wind farm with larger size; (2) wind farm coupled with higher voltage level.
风力发电的趋势是进步机组的经济性，进步单机的发电容量等级和效率，降低单位造价及发电本钱。
The trend of wind power generation is to improve the economic performance of the unit, to improve the level and efficiency of single generation capacity, reduce unit costs and generating costs.
风力发电的趋势是进步机组的经济性，进步单机的发电容量等级和效率，降低单位造价及发电本钱。
The trend of wind power generation is to improve the economic performance of the unit, to improve the level and efficiency of single generation capacity, reduce unit costs and generating costs.
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