单项选择题
A.管程、类程、进程B.模块层次结构法C.核心扩充法D.模块接口法
A.SISD B.MIMD C.MISD D.SIMD
A.程序B.文件C.进程D.资源
A.Each object has a unique object identify in the system B.Encapsulation and inheritance are two important features of object oriented database C.A subclass can inherit the attributes and methods of all its superclasses D.A supereloss includes the attributes and methods at all subclasses
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