...群结构 数量动态 衰退演替 瓜州绿洲 [gap=2243]Keywords】: Populus euphratica, population structure, quantitative dynamics, decline succession, Guazhou Oasis ...
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The results were as follows:(1) The variety of annual quantity dynamic of individual (A. c. cerana ) in Fuzhou from experimental population corresponded with the changes of local climate, honey and powder resources and so on.
研究结果表明：(1)福州中华蜜蜂个体实验种群周年的数量动态变化规律与当地的气候和蜜粉源等环境条件变化相一致。
参考来源 - 福州中华蜜蜂实验种群周年数量动态的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
采用生命表的形式研究了三化性桑蟥自然种群数量动态规律。
The number dynamic law of natural racial group of the trivoltinism mulberry white caterpillar was studied Using life table.
该方法的水印容量由标志代码的数量动态确定，可自主的提高水印容量。
The marked codes are decided by the characteristic of the document, and the watermarking capacity decided by the amount of marked codes can also be flexible.
从地表节肢动物数量动态可知，中性昆虫对天敌前期的定殖可能有着重要作用。
According to the dynamics of number of predators on the earth's surface, it was indicated that the neutral insects may be play important role to the setting of predators in the former of cauliflower.
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