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（ ）refers to the range of computer hardware and OS platforms on which the source code of a program can be compiled and run.
A.Usability
B.Portability
C.Reliability
D.Maintainability
B.Portability
C.Reliability
D.Maintainability
参考答案
参考解析
解析：可移植性指的是计算机硬件和操作系统平台的范围，在这些平台上都可以编译和运行程序的源代码。A可使用性 B可移植性 C可靠性 D可维护性
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