By establishing a general model of PTIS, the developing life cycle becomes shorter, quicker and more flexible.

通过建立邮电信息系统的总体模型，系统开发周期变得更为迅速和灵活。

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By establishing a general model of PTIS, the developing life cycle becomes shorter, quicker and more flexible.

通过建立邮电信息系统的总体模型，系统开发周期变得更为迅速和灵活。

youdao