adj.相差的；有差异的；矛盾的
The intent is to remove the least amount of material possible while ensuring that all discrepant material is removed and the original design strength and durability are maintained. 去除少量材料的同时，应尽量确保所去除的是所有有差异的材料，并尽量保持初始设计的强度和耐久性。
