森林“病害”是森林生态系统中生物之间食物链关系的一种自然现象。
Forest disease is a kind of natural phenomenon between living things in food chain.
就像是食物链,在所有参与者之间存在着相互依赖的关系,实现了精确的平衡。
It is like a food chain-there is interdependency and a delicate balance among all players.
这些动植物主体通过捕食关系构成食物链。
Predation relations link these agents to form the food chain.
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