生态系统健康
但是他们坚持萤火虫是评估生态系统健康程度的警报器。
But they insist fireflies are a "canary in a coal mine" in terms of understanding the health of an ecosystem.
生态系统健康是生态学领域的研究热点之一。
Ecosystem health is one of the research hotspots in ecology.
研究了小流域生态系统健康评价方法及指标体系。
The small watershed ecosystem health assessment methods and index system were studied.
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