[植]?边缘群落
马加雷夫消长模式;马加雷夫演替模式 Margalef's model of succession 林缘群落;边缘群落 marginal community 边缘分布 marginal distribution ..
边缘城市社区
Second, scientific advance tends to have increasing returns to scale: adding more scientists to a community does not diminish individual marginal productivity but tends to increase it.
ECONOMIST: BY INVITATION: Helping the world’s poorest | The
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。