Main site factors in different groups of site type existed obvious difference, for instance the altitude, the thickness of humus layer and the slope.
不同立地类型组的海拔、腐殖质层及坡向等各主要立地因子存在着显著的差异。
2
The rate of community dissimilarity index increased with the increasing the altitudedifference.
随着海拔差的增加，群落相似性指数增加率也是不同的。
3
Objective to study the differenceof health care for pregnant women and obstetric interfere measures in altitude and plain region in order to improve the health care in altitude region.