A model for quantificationally predicting the mechanization levels of mechanically tilling,planting and harvesting in Jilin province was established by the predicting ways of smoothness and regression.
A model for quantificationally predicting the mechanization levels of mechanically tilling,planting and harvesting in Jilin province was established by the predicting ways of smoothness and regression.
以99～00年吉林省机械化耕、种、收作业水平的统计数据为依据,采取了平滑预测与回归预测相结合的方法,预测了00～0年吉林省机械化耕、种、收作业水平。