名词
中文翻译：生态出生率
同义词：
['ecological fertility', 'ecological birth rate', 'ecological reproduction rate']
例句：
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1. The study of ecology has increased the understanding of how species interact with their environment.
生态学的研究增进了我们对物种与其环境相互作用的理解。
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2.The decline in population growth rates is a concern for many environmentalists.
人口增长率的下降是许多环保主义者所关注的。
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3. The ecological birth rate is a measure of the number of offspring produced per unit of time and energy.
生态出生率是一个衡量单位时间内和单位能量产生后代数量的指标。