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- knowlcdgc cconomy 知识经济
- When for SCR dynamic brake is used,comman crane's lowening operation is improved.The crane's automatic level,stability is increase d with safety and cconomy. 可控硅能耗制动装置用于普通起重机改造，提高了自动化程度，增强了起重机的稳定性，既安全又经济。
- Knowledge is not only an endogenous variable, but also an exogenous variable, which is the base to understand the characteristic of the increasing or decreasing return of hi-tochnology in knowlodgc-bascd cconomy. 知识既是内生变量，又是外生变量，这是理解高科技知识报酬递增与递减特点的基础。
- Abstract: Knowledge is not only an endogenous variable, but also an exogenous variable, which is the base to understand the characteristic of the increasing or decreasing return of hi-tochnology in knowlodgc-bascd cconomy. 文摘:知识既是内生变量，又是外生变量，这是理解高科技知识报酬递增与递减特点的基础。
- circular cconomy 循环经济
- regional cconomy 区域经济
