????:1?????????:????app?????

2?????

3?????????

4?????

5?????vx

?????????12???????????2????????????????? (??????????? ????????????????)11????,???,??????

???????????????,???11???,??????????,11????,?????????????30????????“U”????????????,????,?????????????????3%,???20%,????????????????????60%???11?,30???,????????????1-10??????????????3.91??????????????

???????2???,11??????????????,??????????100????,?????????15%,?????10???????????20??11.7%,?????????????????26.3%?

?????,11??,???????18763????,???????????????20?????????????????????????????,?1.5????????“??????????”,???1.5?,????????,?11??????;??11??50%?

?????????????????????,11??????????????,????,????????????????????????,????7???????????????????,??????,???0.36%,??2.40%?

?????????????????????????,11????,?????300?????????????23.4%,????????????????????????????????

?????,????,11????3633.5????,??16.6%,???????,??9??44.3%??,???????????11????

?????????????9????????????????????,10?“??????”,11?????????????????????????“??????????????”??,????100?????,?????????

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