【名词&注释】
复杂性(complexity)、日常生活(daily life)、合理性(rationality)、可移植性(portability)、质量指标(quality index)、概括性(generality)、先决条件(precondition)、社会经济状况(socioeconomic status)、另一种(another)
[单选题]()meansthataprogramwrittenforonecomputersystemcanbecompiledandrunonanothersystemwithlittleornomodification.
A. Portability
B. Reliability
C. Availability
D. Reusability