????:1????????:?????????

2????????????

3?????????668

4???????????

5?????????

??????12??????23??????? ????,?22??,?,??????????“?”?

??????,??????????,?,??????,????????????????????,???????

“?,???????????????????????????????????????,???,??????????????????????????????????????????????????????,???,?????????????”????????????

???????????????????,??????(SpaceX)?????,?????“????????????”,????“????”? ???:?????????