农业机械的发展，必须建立在科学的基础上，它要求根据自然环境、土地资源、经济条件、产业化水平，通过科学的分析、计算，从而使农机具发展、运用管理科学化，防止盲目性，制定出合理的结构优化方案和农机发展战略。我们采用下述方案建立模型，计算并得出结论。1．建立通化市 The development of agricultural machinery must be based on science. It requires the development of agricultural machinery through the scientific analysis and calculation based on the natural environment, land resources, economic conditions and industrialization level, and the scientific management of the use of agricultural machinery to prevent blindness , To develop a reasonable structural optimization program and agricultural development strategy. We use the following program to establish a model, calculate and draw conclusions. 1. Establish Tonghua City