The output efficiency of brainwork is the most basic content of modern management. The improvement of scientifical administration for knowledge work is confronted with many basic problems because measuring brainwork is more difficult than measuring physical work.

脑力劳动的输出效率是现代管理的基本内容，由于脑力劳动比体力劳动定量更为复杂，使知识作业科学管理的进程面临诸多的基础问题。

Human brainwork creates knowledge economics and promotes knowledge management, so the efficiency of brainwork naturally becomes the main content of knowledge management as well as the focus and hotspot of modern management research.

人的脑力劳动创造了知识经济,催生了知识管理,脑力劳动工效问题自然成为知识管理的主要内容并表现于现代管理研究中的焦点与热点。