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。
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
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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