LED light-house used for tissue culture is designed, and the light-house characteristic is analysed. Meanwhile, the contrast research of the light-house with common fluorescent lamp is carried on.

本研究设计了作为组培光源的LED光源板，并对LED光源作为组培光源进行了特性分析，同时与普通日光灯光源进行了光源效果的对比研究；

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The river lay quiet beside the empty distillery and from time to time a light appeared in some house on Lucan Road.

河静静地流淌于在空荡荡的酒厂旁边，不时有一盏灯出现在“卢坎路”上的某个房子里。

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As soon as it was light he jumped up, hopped downstairs, and went out of the house.

天一亮，他就跳了起来，跳下楼梯，走出了房子。

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The following day he apologised to the House for his light-hearted remarks.

BBC: Obituary: Lord Weatherill

The session ended on a light-hearted note with Leader of the House Lord Strathclyde telling peers there were no plans afoot to allow Parliament to elect a monarch and that, if they did, the electoral system used would not be proportional representation.

BBC: Government defends 'stop and account' changes

Still, many real-estate agents will continue to fire up the oven or light a few candles on open-house day.

WSJ: Using Smell to Make a Sale