At the same time, the sport's age section chief is wide: long or less time learners, large age span.
同时,这项运动的适龄段长,学习滑雪的有长有少,年龄跨度大。
Combined with foreign and domestic research data, we found: Subjects age span is imbalance, there are more research on the elderly and less on young people and children relatively.
综合国内外的研究资料发现:研究对象年龄跨度不平衡,针对老年人的研究比较多,对青少年和儿童的研究比较少。
That's a big chronological span, and it netted a big genetic haul: the research identified no fewer than 440 genes that start to slow down after age 40.
这个部位的时间跨度很大,而且含有大量基因:研究发现,在40岁后,不下440个基因开始放缓速度。
People lived shorter lives and so they didn't get far enough into the age span to suffer from the chronic diseases that people are suffering more today.
当时的人寿命比较短所以他们,活不到现代人那么长,长得足以患上那些慢性疾病
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