美欧早就不搞空间站了。以前认为宇宙观测靠人，后来认为不需要人，也就不必空间站了，美国发展太空望远镜
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
