That was always the way. Folk who were in grief came to my wife like birds to a light-house.
情形总是这个样子，大家一遇到伤心事就来找我妻子，就跟鸟儿飞向灯塔一样。
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；
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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