In order to meet the masses of automobile users' demands, on websites of motor Company, Have set up more perfect knowledge base in ACCESS relation data base.
为了满足广大汽车用户的需求,在汽车公司网站上,用ACCESS关系数据库建立了较完善的知识库。
It usually estimated to determinate power saving rate to see if the motor load set used a frequency conversion device due to difficulty of data collection and the results were not quiet correct.
由于采集数据的困难,电机负载组是否采用变频装置,往往通过估算来确定节电率,其结果不准确,而且因人而异。
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