实践证明，SPIF系统是一个中小型软件组织实用的软件过程改进框架，在实验应用中也取得了良好的效果。
The practice proves that SPIF is a applied software process improvement frame for medium and small software organization, and it achieves good effects by experiment.
CMMI是一种用于软件过程管理和改进的模型，它为软件过程改善和软件过程评估提供了一个有效的指导框架。
CMMI is a model used for software process managing and ameliorating. It supplies an effective directing frame for software process ameliorating and software process evaluating.
PSP是一种可用于控制、管理和改进个人工作方式的持续自我改善过程，是一个包括软件开发表格、指南和规程的结构化框架。
The PSP process consists of a set of methods, forms, and scripts that show software engineers how to plan, measure, and manage their work.
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