电信程序程序通信块
telecommunication-program program communication block
高阶程序程序设计语言
high level procedural programming language
公用程序程序产品
utilities program product
维护程序程序
maintenance program procedures
运行时间程序程序馆
run-time procedure library
ppk全基因及上下游序列
ppk upstream and downstream sequences
自上而下程序精化
top-down program refinement