Abstract: Profit estimation for the mechanization in agricultural indust ry is useful to understand the development level, potential, trend of agricult ural mec hanization for government decision making and it is also an answer to how to est imate the sin
Abstract: Profit estimation for the mechanization in agricultural indust ry is useful to understand the development level, potential, trend of agricult ural mec hanization for government decision making and it is also an answer to how to est imate the sin
文摘:测算农业机械化对农业生产的贡献份额，实践上有助于从总体上把握农业机械化的发展水平、发展潜力和趋势，对农业机械化事业的决策具有重要的参考价值；理论上研究产业系统单因素的贡献率具有学术意义。