Objective To observe the effect of undergroundpart-obturated environment on human health.
目的观察半密闭地下环境对健康的影响。
2
By using the close relationship of the tree's undergroundpart and upper part, a simulation method of gravity's effect on the tree shape was established.
同时将树的地下部分与地上部分有机地结合在一起，模拟了基于重力场的三维树形态。
3
Staying the decrease of the polysaccharide content of undergroundpart and the total flavonoids content of aboveground part, increased polysaccharide and total flavonoids content in harvest.