这家公司可以利用其巨量个人数据，制造出精确定向的广告信息。
The company will be able to draw on the immense volume of personal data it owns to create extremely targeted messages.
介绍了雷电方向探测的设计思想和地闪回击模型，讨论了地闪的精确定向技术及其实现，给出了雷电方向探测仪的主要技术性能和参数。
This paper introduces the design idea of Lightning Direction Finder and lightning return stroke models. The technique of accurate orientation as well as its realization is discussed.
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