A.考察時(shí)間長(zhǎng)短 B.呼叫長(zhǎng)度 C.每次呼叫占用(或通話)時(shí)長(zhǎng) D.溢出比
A.INR B.CON C.ANC D.RLC
A.l/hd B.l/hu C.l/bz D.l/aw