名词
中文翻译：出生间隔
同义词：
['birth interval', 'gestation interval', 'interbirth interval']
例句：
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1.The researchers found that the net birth interval in this region was significantly shorter than in other regions.
研究人员发现，该地区的出生间隔明显短于其他地区。
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2. The study also revealed that the net birth interval has been decreasing over time.
研究还显示，出生间隔一直在减少。
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3. The average net birth interval for a woman is around 10 years.
女性的平均出生间隔大约是10年。