quad.rat
n.(名词)Printing A piece of type metal lower than the raised typeface, used for filling spaces and blank lines.Also called quad 2【印刷术】 空铅,铅块:比抬升的印刷平面要更低的金属条,用于填空格和空行也作 quad2Ecology Any of a group of small, usually rectangular plots of land arranged for close study of the distribution of plants or animals in an area.【生态学】 一块长方形地:一组小块的,通常是土地中长方形的用地,用于深入研究某地区动植物的分布
来源:Middle English [a square geometric instrument, rectangular area] * see quadrate 中古英语 [平面几何乐器,四边形地区] *参见 quadrate