?????????1?? ??????????

???(????????):????(2?????14??????????????)?????????,??1??,???,????????????

?,1??????????????,??M2???318.52?????,?????????7%,????;1???????,????????????7.06???????????,???????????????????????????5.13???????

??,????????12.7%??????11.4%,????????????????????“????????????”“????”?,????????????

1????,????????3.4%,?????????0.4??????????????,?????,??????,?? ??????????:?????