In recent years, the research institute, mainly SEI/CMU, has developed a series of software process improvement model/standard, in which CMM has been the standard of software process improvement, representing the most advanced theory.

• 近年来，以SEI/CMU为代表的研究机构开发了一系列软件过程改进模型/标准，其中的CMM已经成为软件过程改进的标准，代表了该领域最先进的思想。