档案修复工作应遵循的原则之一，即所用修复材料必须有最适宜的强度和特性。
按照土地适宜性评价原则进行评价分析，得到宜农地、宜林地、宜牧地的数量与空间分布。
Through evaluating and analyzing based on the principles of the land suitability evaluation, we get the number and spatial distribution of farmland, forest, and grassland.
在此基础上给出了塌陷地适宜性评价的原则、依据和结果。
At last. this paper introduces the principle bases and results of valuation for evaluating reclaimed land suitability.
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