求翻译：并用多元回归的分析方法，建立模型并对其进行检验，认清哪些是影响粮食生产的主要因素。由结果可以看出化肥施用量对粮食生产的影响尤为显著，其次是粮食播种面积和成灾面积，因此应增加农业生产的科技投入，提高农田利用率，增强农田的抗灾能力。是什么意思？

正在翻译，请等待...

Using multiple regression analysis methods and establishment of the model and check it out and understand what is affecting food production. Results can be seen by how much fertilizer effects on food production is particularly significant and, secondly, grain fields and infested area, and therefore

正在翻译，请等待...

Using multivariate regression analysis methods, model and test it, a clear understanding of what are the main factors affecting food production. Results you can see the effects of fertilizer application rate on grain production is particularly significant, followed by the sown area of grain and disa

And with the multi-dimensional return analysis method, establishes the model and carries on the examination to it, clearly recognized which are affects the grain production the primary factor.May see the chemical fertilizer employment quantity by the result especially to be remarkable to the grain p