The relationship between three areas, three lines and three tones

The relationship between three-zone three-line data and three-tone data is that three-tone data is the basis of three-zone three-line data. Based on the land use classification and data results of * * and * *, proceed from reality, delimit three areas and three lines realistically, coordinate development and safety, resolutely implement the basic national policy of strictly protecting cultivated land, adhere to the strictest ecological environment protection system and land conservation system, and ensure that the current cultivated land should be fully protected and zoned, so as to ensure that the total amount of cultivated land that can be used stably for a long time will not decrease and ensure national food security.