为维持平衡，生态系统“顶点”的大鱼可能和小鱼一样重要。
To maintain a balance, big "apex" fish may be as important as the small one.
然而，红树林生态系统受到微妙的盐水平衡的控制。
The mangrove’s ecosystem, however, is at the mercy of a delicate saline balance.
水平衡是生态系统生态建设的基本依据。
Water equilibrium is the basis for the ecological construction of ecosystems.
生态系统倾向以抗拒外来变化为原则而维持在一个平衡状态。
The tendency for a system by resisting change to remain in a state of equilibrium.
森林里有高度敏感、灵敏平衡的各种生态系统。
There are highly sensitive and delicately balanced ecosystems in the forest.
世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。
The world food imbalance is a problem of agricultural ecosystems and their management.
世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。
The world food imbalance is a problem of agricultural ecosystems and their management.
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