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一、问题的提出。 我国农业机械化的二十多年中,农田主要动力——人力、畜力、拖拉机动力是同时增长的。过去对此没有进行过系统地分析研究,现在就很有必要了解、研究发达国家耕畜与拖拉机变革过程的特点、影响因素及有关的技术经济政策,结合我国(以辽宁省为例)的实际情况,总结分析一下国内机、畜动力的变革情况,进而探讨机畜变革的有关条件,为今后提供借鉴。
First, the question raised. In the twenty years of agricultural mechanization in our country, the main driving force of farmland - manpower, animal power, and tractor power are simultaneously increasing. In the past, there has been no systematic analysis of this. Therefore, it is necessary to understand and study the characteristics, influencing factors and related technical and economic policies of the livestock and tractor transformation in developed countries. Combining the actual situation of our country (taking Liaoning Province as an example) Situation, summarize and analyze the changes of the domestic machine and livestock motive force, and then discuss the relevant conditions for the reform of machine animals so as to provide reference for the future.