XINING软件定制开发, July 20 (Xinhua) -- Chinese scientists embarked on an expedition on Saturday to investigate the water resources and ecological environment in the headwater regions of the Yangtze and Lancang rivers. 小程序开发 The expedition, comprising aro

BEIJING, July 9 (Xinhua) -- The Queqiao-2 relay satellite, with three scientific payloads installed, will conduct multiple scientific exploration missions in orbit, following its earlier contribution to the Chang'e-6 mission. Queqiao-2, or Magpie Br