?,?,???????,?????25??16????????????,?????????????????????????5???????26??(???????????????)????,????????15.6????????????

1990???????,????????“??”,??,???????????????????,??????????,??,?,???

(?? ????????????? ?? ?????? ????????)

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“????????”????

?? ???“?????????”???????? ??

????:1?????????:???????????

2???????????????

3???????

4??????????

5??????????

?,?,???????,?????25??16????????????,?????????????????????????5???????26??(???????????????)????,????????15.6????????????

1990???????,????????“??”,??,???????????????????,??????????,??,?,???

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