The RMS converters of voltage and current have the advantages of high speed and precision, and with the feedback of RMS, the fluctuate of power voltage can be compensated at high precision.

电压、电流真有效值变换精度高、速度快，电压真有效值负反馈闭环控制主回路网压波动补偿精度高；

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This study develop a Digital electronic governor to control rotate speed of Petrol generator in order to reduce rotate speed fluctuate, improve it's performance.

本课题研制电子调速器来控制汽油发电机转速，以降低转速超调，提升发电机性能。

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Since 1990s the Chinese real estate market has been in a period of upright development, which may fluctuate for a while but steadily accelerate its speed.

自上世纪九十年代以来，我国房地产市场始终出于上行状态，期间或有起伏，但房价始终昂首向上，且有加速之势。

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