The method of choosing reaction degree when the application of the theory of quantification in gas content forecastZHANG Xu-liang, ZHANG Zi-xu, YUAN Chong-fu, WU Cai-fang8-13
A technical study on pressure relief support in driving roadway along the goafJIA Niu-jun, ZHENG Quan-jiu, JIA Bao-shan, WEI Yong-qing18-22
The object-oriented 3D data model and the realization of its observation——Taking the rebuilding of the city 3D buildings as examplesWANG Liu-zhao, Long Zhi, WEI Zhan-ying27-29
Development trend of surveying and mapping under the promotion of lately science and technology with 3S as representativesLIANG Hong-you, ZHANG Yu-min, ZHANG Guang-sheng30-33
A surveying inspect on the water conservany project at Xiaolangdi of Yellow RiverYANG Zhong-hua, CHEN Lin, QU Shou-shang38-40
Feature and wrap mathematical model of the tooth construction of spiral bevel gearsWANG Yu-qing, LIANG Jian41-45