搜索结果: 1-2 共查到“凹凸棒石 Mountainous Area”相关记录2条 . 查询时间(0.062 秒)
Research on the Relief Degree of Land Surface (RDLS) Calibration Coefficient of Highway in Plateau Mountainous Area
Least Square Method (LSM) RDLS RDLS Calibration Coefficient Regression Model Traffic Engineering
2011/12/20
Different reasons leaded to highway circuitous between plateau mountainous area and plain lightly undulate area were analyzed. The main reason which leaded to highway circuitous is the RDLS was conclu...
Research on Urbanization Development of Mountainous Area - Take in Yichang for Example
Characteristic Environment Industrial Structure Mountainous Urbanization Population Resource Sustainable Development
2011/12/20
Urbanization can not be avoided in the phase of human civilization. Urbanization in developed countries such us Europe, America has experienced the course of agricultural revolution, industrial revolu...