外来有害生物比大多数非生物干扰更有效。
Exotic pests are more efficient than most abiotic disturbances.
外来有害生物的入侵和扩散蔓延，给我国经济造成严重损失。
The invasion and spreading of alien organism caused serious economic loss in China.
外来有害生物的入侵和扩散蔓延，给我国经济造成严重损失。
The invasion and spreading of alien organism caused serious economic loss in China.
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