A dynamic voltage restorer (DVR) instantly reacts to drop in line voltage and restores missing portion of waveform from an energy storage device (eg. battery).
动态电压恢复器(DVR)对线路电压的跌落迅速作出响应，并通过储能装置(如蓄电池)恢复电压波形的失去部分。
Nokia has a renewed spring in its step, having recovered from a stumble in early 2004, when a lacklustre product line-up caused its market share to drop below 30% for the first time in years.
诺基亚的步伐在这个复兴的春天刚从2004年初的一次绊倒中恢复过来，当时一条毫无生气的生产线致使其市场份额下降到低于30%，这是近年来的首次。
You should be able to "read" the back cover of the book, check out the book flap, see the cover art, and easily (and impulsively) drop the book in your cart and wander to the checkout line.
您应该能够“阅读”图书的封底内容，查看图书的前言，查看封面图片，以及轻松地(且愉快地)将书放入您的购物车并购买。
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