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人生百年有道理人的自然寿命是由人的内部规律所决定的。那么人的自然寿命——天年,应该是多少呢?古希腊思想家提出来的寿命系数学说:哺乳动物的自然寿命,应该是生长期的5倍至7倍。所谓自然寿命,是自然生物在漫长的进化过程中所形成的平均寿命尺度,所谓生长期,就是从动物出生到骨骼停止生长的年限。人从出生到生长发育成熟,一般是20年至25年,正常人的寿命应该是100岁至175岁。
The natural life of a person who has a reasonable life is determined by the internal laws of man. Then the natural life of people - the age, how much it should be? Ancient Greek thinkers put forward the life-span theory that: the natural life of mammals, should be the growth period of 5 to 7 times. The so-called natural life expectancy, is the natural life in the long evolutionary process of the formation of the average life expectancy scale, the so-called growth period, is born from the animal to stop the growth of bone life. People from birth to mature growth, usually 20 to 25 years, the life expectancy of normal people should be 100 years old to 175 years old.