It portrays the average life of women in the six dynasties , applying not only the standard histories , but also archaeological materials , epitaphs , and contemporary literature 最后，利用约两百五十个妇女的墓志铭讨论一般贵族妇女的婚龄、大妇年差、守寡年岁和年数，以及妇女寿年。
With the rapid development of chinese economic and the improvement of the living level and the medical technology , the people ' s average life is becoming longer 中国经济的快速发展，生活保健条件的改善，人口的平均寿命延长，生育率的逐步下降，使中国面临人口老龄化问题的挑战。
Another reason , they average life is shorter . ( 3 ) phylloscopussp . come later and leave earlier , it has bearing on phenologic dates of plant and native climatic factor ( 3 )柳莺属( phylloscopussp . )鸟类迁到时间较晚、迁离时间较早，这恰与当地的植物物候期和气温等因素一致。
The us dollar bill , the most heavily used paper note , has an average life of eighteen months , while its metal equivalent , the one - dollar coin , enjoys a life which is ten times longer （美元中的?元票，是`用得最多的纸币，平均生命是` 18个月，而其金属等价物， ?美元的硬币，经受长达10倍的生命期） 。
Beijing , march 9 ( xinhua ) - - the average life expectancy of beijing residents has reached 80 . 07 years , with women surviving men by 3 . 46 years on average , said sources with the municipal bureau of health friday 北京居民平均寿命达到80 . 07年，其中，女性比男性寿命更长3 . 46年。星期五市健康局报告了这个消息。
Since the average life span of human is relatively short compared to that of stars , we have to study a large number of stars in order to deduce the time scales of different evolutionary stages of stars 相对于恒星的一生，人类的生命实无异于昙花一现。要以有涯逐无涯，人类唯有研究大量的恒星，再尝试找出恒星的演化过程，赫罗图便是最重要的研究工具。
It is just because there are something wrong in the management strategy in many chinese mid - min enterprises , the average life of chinese mid - min enterprise is about 10 years . few enterprises can sustain 100 years 中国中小企业正是由于战略管理不到位，成长战略方向失误，才出现企业普遍寿命较短，百年老企业屈指可数，企业平均寿命不到10年这一现象。
Moreover , japan boasts average life spans that are the highest in the world and extremely low infant mortality rates , as well as one of the lowest ratios of healthcare spending as a percentage of gdp among advanced industrialized countries 此外，日本的人均寿命全球最长，婴儿死亡率极低，而且在先进的发达国家当中，日本的医疗支出占gdp的比例也是最低的。
They were not able to afford a doctor when falling ill . smallpox , plague , cholera and other epidemic diseases prematurely deprived thousands of people of their lives . the child mortality rate exceeded 60 percent , and the average life span was only 35 生病得不到治疗，天花、鼠疫、霍乱等流行病夺去成千上万人的生命，儿童死亡率高过60 ，人们的平均寿命只有35岁。
