Just like you may need a mirror to see behind obstacles in the cramped compartments of a tower PC, you may need to illuminate your PC's guts more clearly than your ceiling lights can.

就像你可能需要一面镜子一样，有时需要看看狭小的机箱部件背后，需要照亮你的PC一边以便更清楚。

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The Ivanpah Power Tower will be 450 feet (137 meters) tall when it is completed and will use more than 173, 000 dual-mirror heliostats.

艾文帕发电塔完成后将高450英尺（137米），用掉17万3千个双面定日镜

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A recent example would be the idea of mirror neurons, which has successfully stimulated the curiosity of many people outside the ivory tower.

近期的一个例子就是镜像神经元的观念。这个观念成功的引起了象牙塔外很多人的好奇心。

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