The variation is observed in characters of plant height and basal diameter increasing amount in one year.

年终观测一年生苗的高和地径生长量，考察各品种的变异。

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In fact, according to the body's metabolism of 20-year-old after 10 years of age for each growth, basal metabolism is down by 2% if the decreased activity, they should reduce the 5%.

事实上，按人体的代谢规律，20岁以后，年龄每增长10岁，基础代谢就要下降2%如果活动量下降，则要降低5%之多。

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In fact, according to the body's metabolism of 20-year-old after 10 years of age for each growth, basal metabolism is down by 2% if the decreased activity, they should reduce the 5%.

事实上，按人体的代谢规律，20岁以后，年龄每增长10岁，基础代谢就要下降2%如果活动量下降，则要降低5%之多。

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