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。

youdao

The rate of community dissimilarity index increased with the increasing the altitude difference.

随着海拔差的增加，群落相似性指数增加率也是不同的。

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Objective to study the difference of health care for pregnant women and obstetric interfere measures in altitude and plain region in order to improve the health care in altitude region.

目的研究高原地区产妇孕期保健及产科干预措施与平原地区的差异，以期提高高原地区的产科质量。

youdao

He said the preceding manoeuvre was probably the highest and most sustained of the day in terms of G-force but said flying at a higher altitude "may not have made a difference".

BBC: Flt Lt Jon Egging