本文对耕地等级划分的原则、内容及方法都作了较为详细的阐述。
This paper demonstrates the principles, contents and methods of cultivated land classification in detail.
以农用分等成果为基础，探讨了不同等级耕地保有量预测方法。
Based on the achievements of farmland grading, predication method of different grading protection area of cultivated land is advanced.
客观上这种等级指数存在着一定的差异，并且这种功级指数同耕地质量之间的差异有很人的相关性，这是对耕地进行分等定级前提。
The grade index is different objectively, and grade index has great correlation with arable land quality, which is premise of Grade-Determination of arable land.
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