It was helpful for controlling the pest population to understand the relationship between temperature and rice leaf roller population.
研究温度与稻纵卷叶螟种群数量变动的关系，可为害虫种群的控制提供科学依据。
The roller rolls up the door leaf, and abating the noise by sealing brush in the track.
上方滚轴卷起门帘，两侧导轨内镶以密封毛刷，减少噪音。
The roller rolls up the door leaf, and abating the noise by sealing brush in the track.
上方滚轴卷起门帘，两侧导轨内镶以密封毛刷，减少噪音。
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