alien species meaning in English

外来物种
外源种

In first contact with 27 alien species
与27种外星文明第一次接触
Research progress and prospects of invasive alien species
农业外来生物入侵种研究现状与发展趋势
In first contact with 27 alien species
与27种外星文明第一次接触
Index system and methodology for risk assessment of alien species
外来物种风险评估指标体系和评估方法
Alien species invading and precautionary principle on the environmental law
外来物种入侵及其环境法律调控准则

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