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6?27??20??29?????17???,?????????????????1983?????????50????????????????????(??????????45.7%),???????1015?100?(?23.4%),?????415.0??????????????117.9??,????????110.6????????

29?18?????,????????????????????????,29??20?30???20?,??????,???????????,????????????(????,????????????)?(??) ???????:????? ??“???????”

?? ? ????????????0.33????????

????:1????????:?????100????

2???24????

3????????

4????????

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

?6??29??(????)?????29?(??????????????1??):?,??29???17?,???20.13??????,??0.33?;???????10.13?,?0.13??????

6?27??20??29?????17???,?????????????????1983?????????50????????????????????(??????????45.7%),???????1015?100?(?23.4%),?????415.0??????????????117.9??,????????110.6????????

29?18?????,????????????????????????,29??20?30???20?,??????,???????????,????????????(????,????????????)?(??) ???????:?????