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

?2???????????????????????????????????????5???(??? ?????????)???5??????????????????????,??????(1?????????????28??-2????????????????4??),????2?4??(??),?16.7????,?????????????3.96??????????????????,????????????????????,?????

??????,????1934?,???????????????????96.8??????,?????23.1????????????????,??,??3000?,??????66.4%?

???????,?????????????????“???+?”?,????????,???,??????,??????????????????359??

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