Contact us
Choose a category below so we can get back to you as quickly as possible.
雷射的路程s=vt=3×108 ;m/s×2.56s=7.68×108 ;m,則月球到地球間的距離d=s2=7.68×108m2=3.84×108 ;m.答:月球到地球之間的距離是3.84×108 ;m.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.