Present status of the distribution system state estimation, and methods of bad data detection and identification are surveyed here.

并对配电网状态估计的研究现状和常用不良数据的检测与辨识方法进行了描述。

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The article introduces the distribution of mineral resource and reserve of beryllium and present status of Be production of main manufacturers in the world.

介绍了世界铍矿资源和储量的分布情况及主要厂家的生产现状。

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Objective To investigate the distribution of water fluoride and the present status of water-improving defluoridation projects in the endemic fluorosis areas in Shandong Province.

目的了解山东省氟中毒病区水氟分布和改水降氟工程现状。

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"Those water masses play a very important role in the present-day status of the ice pack and changes in the delivery would have an influence and effect on ice distribution, " said Weingartner.

CNN: Nuclear sub dives under the ice to explore climate change