一、三次产业概念的形成三次产业的划分,反映了社会分工和经济活动发展的不同阶段,体现了人类经济活动的历史顺序。人类要生存,首先必须生产食物,农业就是生产食物的部门。因此,各民族的经济活动总是从为人类提供最基本的生活资料的农业开始的。随着农业劳动生产率的提高,当农产品除满足农业人口的需要以外有了剩余的时候,才从农业中分化出一部分劳动力从事制造生产工具的手工业(工业的前身)和其它生产或活动。当农业和工业充分发展了,劳动生 The formation of the concept of one or three industries The division of the three industries reflects the different phases of social division of labor and the development of economic activities and reflects the historical order of human economic activities. To survive, humans must first produce food, and agriculture is the department that produces food. Therefore, the economic activities of all ethnic groups always begin with agriculture, which provides the most basic means of subsistence for mankind. As agricultural labor productivity increases, agricultural products, when left surplus to meeting the needs of the agricultural population, differentiate part of the labor force from agriculture in the handicraft (predecessor) and other production or activity of manufacturing tools. When agriculture and industry fully developed, labor and health