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

2????

3?????????

4?????

5?????????????

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????????????,???????????,???????????????????12????,????300??,??????????

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

????:?????????????????,?????????;???????????????;???;??,?????????????????????????“4~6???”,?????????4??????????????(CPR),????32%;???4~6????CPR,???????????????10%;??????????????6??CPR,??4%;?????????????10???????CPR,??????????????????,????

??????????????,???7?????????8??,?????,???????????????????????????????????????,?????????????????????????????????????????????????????“???????”??????,??,??,?????????????????????????……????????“???????”!???????????1?,??17%?

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

?????????:??????,50%??????????,??????50%-75%?????????,???????????????,????????

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

?????????????,??????????????????,?35?????????,??,????????????????????????????????????,??????,?????????????,??????,??????????????????

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