??????????“?”??????????????,???????????(NASA)??12??17??????,???????????3?????????????????????,NASA??????????,?????????2???(SpaceX)???“??????”????????

??????????????????,NASA?????2?,?,??????SpaceX???????????????????,???3??

?,?????????????????,NASA??????SpaceX????????,??

???,??6????????????6??,???????????????“????”?????,?????????6????????????????????14???????????,?,????????8??,NASA????,???????????????????????????????????“???????????????”?2???????(SpaceX)?“??”????????(???? ??????)

?????????:??????

“?????”????

?? ???????????????????

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

2????????

3?????????

4?????

5?9394?????

??????????“?”??????????????,???????????(NASA)??12??17??????,???????????3?????????????????????,NASA??????????,?????????2???(SpaceX)???“??????”????????

??????????????????,NASA?????2?,?,??????SpaceX???????????????????,???3??

?,?????????????????,NASA??????SpaceX????????,??

???,??6????????????6??,???????????????“????”?????,?????????6????????????????????14???????????,?,????????8??,NASA????,???????????????????????????????????“???????????????”?2???????(SpaceX)?“??”????????(???? ??????)

?????????:??????