Because cosmic rays are charged, their inbound trajectory should be jumbled by the Milky Way's magnetic field, so any hot spot on the cosmic ray map demands an explanation.

他是该项目的主要调查员。 因为宇宙线是带电的，它们回溯发射源的轨迹会被银河的磁场破坏，所以宇宙射线图像上任何一个热点都需要一个解释。

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Case Based Reasoning (CBR) is a hot spot in expert system field in recent years.

基于事例推理(CBR)是近年来专家系统领域内的一个热点问题。

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Nowadays, the software radio has become a technique hot spot in the radio com-munication field, especially in the military radio communication field.

目前，软件无线电技术已成为无线电通信领域，特别是军用无线电通信领域的技术热点。

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