ī???????????

????
????ī?????????????????1919??

????
????????????5?? 5000???/??
?????????????5?? 5000???/??
?????????5?? 4000???/??
??????磨4?? 3500???/??
????????????6?? 4500???/??
?????????????4?? 3500???/??
???????????????1?? 3500???

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?????γ???????????????????????????????????????????????????????????????
???????????????????λ??2~2.5????
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