| 1. | The year is appel leap year if there are 13 months in the year
如果某一年有13个月，这一年就叫做闰年。
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| 2. | Mr . rene appel
艾培理先生
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| 3. | The researchers will report their findings in the march - april issue of the journal current anthropology . the baby - boom pattern has been observed in african and european cemeteries dating about 5 , 000 to 7 , 000 years earlier , according to bocquet - appel
阿佩尔表示，人类学家曾在非洲和欧洲的一些墓地中，观察到了5000年至7000年前当地“婴儿潮”的模式。
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| 4. | Staying put allows women to have more babies , and a farming economy provides more food to support the growing population , explained jean - pierre bocquet - appel , a researcher at the national center for scientific research in paris
对此，巴黎国家科学研究中心的研究员人类学家博克特阿佩尔解释说，稳定的生活会使妇女们生育更多的孩子，同时农耕经济也会向人们提供更多的食物以满足人口的不断增加。
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| 5. | Bocquet - appel and anthropology graduate student stephan naji analyzed skeletal remains in 62 prehistoric north american cemeteries . they found that the number of immature skeletons increased by 37 percent over a 600 - to - 800 year period that coincides with the adoption of farming in north america about 2 , 500 years ago
他们发现，这些墓地里年轻人骸骨的数量在600年至800年的时间中增加了37这段时期大约是在2500年前，当时北美洲居民正转向农耕生活方式。
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