The brushless doubly-fed machine (BDFM) is based on the technic of field oriented control and the performance of its adjustable-speed drive can ultimately meet the need of the operation.
采用磁场定向矢量控制技术的无刷双馈电机调速系统，其性能基本能够满足运行要求，但存在超调及动态稳定慢等问题。
Some ideas of object oriented technic are dissovled in customary snow-flake model, and a new mixed data warehouse model of object oriented technic and snow-flake model is designed.
在最常用的雪花模型基础上融入面向对象思想，构建对象和雪花模型混合的数据仓库逻辑模型。
Some ideas of object oriented technic are dissovled in customary snow-flake model, and a new mixed data warehouse model of object oriented technic and snow-flake model is designed.
在最常用的雪花模型基础上融入面向对象思想，构建对象和雪花模型混合的数据仓库逻辑模型。
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