名词
中文翻译：繁殖曲线
同义词：
['birth curve', 'fertility curve', 'fecundity curve', 'life cycle curve']
例句：
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1.The reproduction curve of the species shows a peak at around 20 years old.
该物种的繁殖曲线显示在大约20岁时达到峰值。
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2. The researchers used the reproduction curve to estimate the population growth rate.
研究人员使用繁殖曲线来估计人口增长率。
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3. The graph shows the reproductive curve of the species, indicating its optimal breeding period.
图表显示了物种的繁殖曲线，表明其最佳繁殖期。