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

??

??2???5?? ???????????????????“??”5????,?????3??4??4?????7.3????,???9??

???????,??“????????????”?

????????,?????(?????????????S)??????,?????,?,????????????5???????????????????

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

??“????????????????”????????,?,1???21???2????????????3?????142??,???25?????2??????????????2??,??65???46.3%,??68.6%?

????????????,????????????????????????????,??,??(????) ??????:????

?????????

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

????????