Beijing has promised to establish three large-scale tree belts during the 10th Five-year Plan (2001 - 2005) to protect and improve the capital's ecosystem.
For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen as the one place in ou...For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen as the one place in our solar system (太阳系) most likely to have life.展开更多
文摘Beijing has promised to establish three large-scale tree belts during the 10th Five-year Plan (2001 - 2005) to protect and improve the capital's ecosystem.
文摘For a long time, humans have used technology to study the world around us, and Mars is the latest place we're using machines to explore. Besides the earth, the "red planet" is seen as the one place in our solar system (太阳系) most likely to have life.
