The design stand by the fact of the electric drawing to settle down the need of data inquiring, count and sum in factory. It is an important supply the product data management (PDM).

本设计针对工厂电气图的实际需求而立题，解决了在电气工程中数据查询、统计和汇总的实际需求，是对产品数据管理(PDM)系统的重要补充。

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Acquisition model perspective drawing: to enquire by the acquisition device level structure of acquisition point operating terminal electric energy meter total add group etc.

采集模型透视图：按照采集点、运行终端、电能表、总加组等采集设备的层次结构进行杳询。

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With rapid development of electric power and electron technique, nonlinear equipments are applied in power drawing system widely, which will cause harmonic harm question inevitably.

随着电力电子技术的飞速发展，非线性装置被广泛应用于电力牵引系统，这就不可避免地引发了谐波危害问题。

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Conventional hybrids use mainly the gasoline engine for propulsion, drawing on the electric drive and batteries only occasionally to (impressively) improve gasoline efficiency.

FORBES: The Automobile Shifts Gears

Apart from an ancient aluminium complex, Montenegro's main industrial hope lies on the drawing-board: a chain of hydro-electric plants that could supply power to Albania and Greece and across the Adriatic to Italy.

ECONOMIST: Montenegro

They are drawing a corollary between the banking crisis that swept the nation into deep recession and the electric power industry one that simply concludes that, unless tightly monitored, big power companies would serve their own interests.

FORBES: Is Another Enron Possible in Today's Energy Market?