在过去十年中，科学家已经认识到小rnas在调节基因活动的重要意义。
In last decade, scientists have come to realize the great importance of small RNAs in regulating gene activity.
本文叙述了我国能源供应短缺、 热处理工艺设备落后和高能耗的现状以及开展节能活动的重要意义。
This article described the energy shortage, the laggardness of the heat treatment equipment, the status of high energy cost and the significance of carrying out energy saving.
本研究以实际观察，定期反馈日志，访谈及调查问卷为主要研究手段，来揭示开展英语第二课堂活动的重要意义。
This study takes the observation, reflection journal, interview and questionnaire as the main methods to discuss the significance of English extracurricular activities.
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