A.10msB.20msC.100msD.25ms
A.調(diào)度數(shù)據(jù)網(wǎng)B.綜合數(shù)據(jù)網(wǎng)C.專線網(wǎng)絡(luò)D.專線網(wǎng)絡(luò)及調(diào)度數(shù)據(jù)網(wǎng)
A.源端維護(hù)B.數(shù)據(jù)結(jié)構(gòu)C.數(shù)據(jù)操作D.數(shù)據(jù)的完整性約束