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。
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。
Cell cycle progression is regulated by a wide variety of external factors, in which reactive oxygen species (ROS) may play an important role.
细胞周期进程由多种外界因素调控，活性氧可能在细胞周期进程中发挥重要作用。
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