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???????????????????????????6??14?????? (????????)??????????????14?(2024)??????(SNEC)???,????????????????????????????????????(ESTI)????????????????????????????????????,???34.6%?

?????????????,2023??11???,????????????33.9%?

??????????(IEEE)???????????“William R. Cherry?”??????????????????,???????????????????????1980??,?William R. Cherry????????????,?,?????????????,??,??(?????) ???????????????????:????????????