A new method is introduced to suppress the noise in seismic data processing. Based on the subtle difference in shape bet......

结合武汉市地下管线信息系统的建设 ,分析了地下管线信息系统建设的目标 ,阐述了总体结构、系统功能、数据结构和系统特点......

The application of investment casting auto-pouring system can improve the efficiency of manual-pouring system to a certa......