????:2024-06-15 04:18:35 ??:????
????:????:????????
??????6?14??? (??????????)??14????????????(2024)?(SNEC)?,?????????????????????????(ESTI)????????????,????????????????????????????????????34.6%?
??????????????,2023??????????11??,?????????????????????33.9%?
?????????????(IEEE)??????????????????????????????William R. Cherry????????????????,????????1980??,?William R. Cherry?????????????????,????????,??????,???,??????????????(???) ???:????????????????????????
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