The external species invasion has no longer a novel topic, with the development of global economic integration system, maintaining the biodiversity, preventing and controlling external species invades become hot issues that each country concerns.
外来物种入侵已经不是一个新颖的话题,随着全球经济一体化体系的发展,维护生物多样性、防治外来物种入侵成为世界各国关注的问题。
参考来源 - 外来物种入侵及其法律规制·2,447,543篇论文数据，部分数据来源于NoteExpress
The species lacks any goal external to its own biological nature.
人类的所有目标都关乎其特有的生物学天性。
First chapter I embarks the external invasion species outline.
第一章主要从对外来入侵物种的概述出发。
In practical ecosystem, there are diffusions, perturbations in species as well as external influence.
作为生态系统，种群自身和相互间的扩散、扰动以及系统外部的影响不可避免。
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