共找到 15 与maintenance 相关的结果，耗时16 ms
（）is not included in the main contents of the operation and maintenance of the information system.A.Daily operation and maintenanceB.System changeC.S
Maintenance activities include(74)。①making enhancements to software products②developing a new software product③correcting problems④adapting products
Consumption of the total life-cycle effort in software maintenance is(71)that in software development．A．less thanB．larger thanC．equal or less thanD．e
●Maintenance activities do not include (74).(74)A. making enhancements to software productsB. developing a new software productC. correcting problems
● Consumption of the total life-cycle effort in software maintenance is （71） that in software development．（71）A．less thanB．larger thanC．equal or less
● Maintenance activities include（74）.①making enhancements to software products②developing a new software product③correcting problems④adapting product
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