As present to our mind the history of economic activities and technological achievements records only radical changes and innovations turning points of mankind 's intellectual and chrematistic evolution . It refers e. g. to the adoption of steam power and deals with the conditions of what is called the age of steam power .

人类经济活动和技术成就的历史向我们展示的只是一些根本性的变革与创新，是人类智力以及牟利发展进程中的一些转折点，比如关于蒸汽动力的利用，历史只不过记录下了蒸汽动力时代出现的一些前提条件而已。