名词
中文翻译：繁殖率
同义词：
['reproductive rate', 'fertility rate']
例句：
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1.The rate of reproduction is a key factor in the success of a species.
繁殖率是物种成功的关键因素。
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2. The study found that the reproductive rate of this species had increased significantly.
研究发现，这种物种的繁殖率显著增加。
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3. The researchers are trying to determine the optimal reproductive rate for this species.
研究人员正在尝试确定这种物种的最佳繁殖率。