????:2024-07-01 20:48:19 ??:????
????:?????????:????93?????
??7?????1??? (?????????? ?????????)??7??????????1??????????????(?)????????,???????(Radon,Rn)??,???????????????????????????,????????????
?4?????????????????????????,?????????????,??????????????,?????????????????222?????????????????????????????????220??????5.3??8.8?????????????(a)??????????????,????????????????????????????????????????????????
???????,?????????????????????????????,???,????????????????????????????????
??,???????????????????????????,5????????????????????6?????????????????????32.7?????,?????????????????????????10????????????????????,????????????????,???;5??17?,??????????????5??????????????10??11???,????????????,??????????????????????????,???????????????????32??????????????????,??16?????????,???????????,????,??
?????????????????????,?5????23??????,????????????????111?????????????????????;6?2?????????????????????,????????????,???????,??,???????????????????6??4???????????????,??????
?,??????????????????(???????????)???,????????????????,????????????????????
?????????,??2019?6?????,????????,?(Pierre-Yves Meslin)????????????????????????(King Wah Wong)?????????(Aurιlie Moussi);????????????????????????????????????????????????????????????,????????????????????????(????????????)
??:???????