1??????9.8???????????????

????:??????????:????qt

???????2????10??????????????????? (?? ???)?????????10????????????????????,1?????,?????????????????9.89????????????,??5.2%;??,?19.19????,???????2.5??

???????,1?????(3.68??)???(1.15????????????????)??(1.11???????)?

??,?????????????????(????1.06???????)?????(?0.99??)??(??????????????0.86???????)?

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