(71)
A. analysis phase
B. design phase
C. implementation phase
D. maintenance phase
(72)
A. main symptom
B. root problem
C. final blueprint
D. data specification
(73)
A. hardware environment
B. testing environment
C. software environment
D. business environment
(74)
A. logical models
B. physical models
C. design models
D. implementation models
(75)
A. hardware and software specification
B. system performance specification
C. formal requirements definition
D. general problem statement
第4题
结核分枝杆菌化学组成最显著的特点是含有大量的
A、RNA
B、脂类
C、多糖
D、蛋白质
E、磷壁酸
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