單項選擇題

GSM語音質(zhì)量的指標算法是()

A.RxQuality質(zhì)量0-2級采樣點/RxQuality質(zhì)量總采樣點*100%
B.RxQuality質(zhì)量0-3級采樣點/RxQuality質(zhì)量總采樣點*100%
C.RxQuality質(zhì)量0-4級采樣點/RxQuality質(zhì)量總采樣點*100%
D.RxQuality質(zhì)量0-1級采樣點/RxQuality質(zhì)量總采樣點*100%

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