population fluctuation是什么意思 population fluctuation怎么读
population fluctuation的相关资料
population fluctuation的用法和样例
- Studies on the life table showed that key influencing factors on the dynamics of natural population of Rhopalosiphum padi Linnaeus were weather and natural enemies.
试验表明，影响禾谷缢管蚜自然种群变动的主要因素是气候和天敌。
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