闪电，是一种在雨云之间或者雨云与地球之间肉眼可见的放电形式。

Form of visible electric discharge between rain clouds or between a rain cloud and the earth.

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此信息可以简短的形式提供，因为完整的内容在使用指示中可见。

This information may be given in an abbreviated form provided that full details are given in the instructions for use.

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设计是，往往不是，因此，在一个有形的和可见的形式和表现的对象，因此，一为设计评论家和历史学家项重要的一点。

Design is, more often than not, therefore, manifested in a tangible and visible form and objects are, therefore, an important point of entry for the design critic or historian.

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