However, systematic studies of personal knowledge management are very scarce now.
而目前关于个人的知识管理的系统研究还比较缺乏。
Project management also has become a systematic and holistic knowledge system.
项目管理也已成为系统化、整体化的知识体系。
Project management also has become a systematic and holistic knowledge system.
项目管理也已成为系统化、整体化的知识体系。
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