????:1??????????:??51??

2?????????

3??????

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

5?????

“?????144???”?7?????????????30????7????31??????,??????

?????????????,?????80%??,????

?????????,??,??????49.58???????????????????????????????,????????????251.6%,???????“???????????????????144??????????????”?,?????????????????????????????????,???????????????20?????????????????“?144?????????????”?????(???????????????????? ???????????????)

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