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

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

3?????

4????????????

5???????

??????????????10??30? ??????,10?28?????????????,????“?”????????,?????????????????????16???,???????0.20~4.55?????????????,??????????????????,?????????????????????????????????7???,?????????0.17~2.05?????,?????????1956?????????????

10???????????????30???,???????????,??????,???????????????????????,??,???;?????????,??,???;?????????????????????????????????????,??????12.04?????,????0.7~2.5??????????,??

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