This paper takes the typical mountain city-Chongqing as sample to deeply study the urban traffic system and land utilization in main urban area of Chongqing.
本文以山地城市中的典型代表—重庆为例，对重庆市主城区的城市交通系统与土地利用进行了深入的研究。
The soil density of control area of every soil layers of four sample plots in the meadow steppe and typical steppe is lower than the severe degeneration area;
草甸草原、典型草原样地各土层对照区土壤密度均低于重度退化区。
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