而节点定位技术是无线传感器网络的主要支撑技术之一，节点自身的正确定位是提供监测信息的前提。

And node localization technology is one of the main supporting technologies in a wireless sensor network. The correct positioning of the node itself is the premise of providing monitoring information.

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电力变压器状态信息构成应包括：预试、在线监测、家族质量缺陷和设备自身质量事件等等。

The power transformer includes pre-test, on-line supervision, family quality bug, and equipment self-quality event, etc.

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