????????“????”????

????:????100:????

????????????6????5??? ??????5?????????????,????“????”????????,???????????

?????(NASA)?????????????,“????”??????????????5????10?????????????52??“???5”??????,????????????????????15???,?????

“????????”??25?,6?12?????????????15????????,???????“???”?????????????????

5???6????,“?”???????????“???????5”?,?????6?1?????????????????????,“??”?3??????????????50?,???

?2011??,??????????(SpaceX)2014???????????NASA?,?“????”???????????“????”????????,NASA??????????????????????

?????????,??????2017????,??????????????????????,“?”?;?????????“?”???????,?????????10??(??????????) ??:??????????????????