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????512?????????? 1.??????????? ??????????????????????????????????????????? 2.????????????????????????????????????? ??????????????????????1???????????????s???????????????????????????pannus crassus ?1 ? ???????????????????????????2 ?2 ? ?????????????????????????????????????????????? ????????????1979?????????? ?????????????? ??????????? ???????????? ???????????????????+++?+++?1/3?+?1/32/3?++?2/3?+++ ????????????1/4?+?1/41/2?++?1/33/4?+++3/4?++++?3 ?3 ?? ??????
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