Architecture application of solar thermal technologies in Chongqing 并列题名：Practice and application of college students' technological innovation Application of solar energy technologies in buildings 并列题名：Research and application of dust control technologies in coal harbour Research and application of geothermal technology standard system Research and application of dust control technologies in coal harbour 并列题名：Rchitecture and key technologies of cloud OS 并列题名：Research and application of smart water saving technology in rural areas