"standard, pattern, model," 1821, from French norme, from Latin norma "carpenter's square, rule, pattern," of unknown origin. Klein suggests a borrowing (via Etruscan) of Greek gnomon "carpenter's square." The Latin form of the word, norma, was used in English in the sense of "carpenter's square" from 1670s.
实用例句
1. Families of six or seven are the norm in Borough Park.
在区公园住宅区六口或七口之家十分普遍。来自柯林斯例句
2. a departure from the norm
一反常态来自《权威词典》
3. Of his age, the child is above the norm in arithmetic.
在他那个年龄, 这个孩子的算术能力是超过标准的.来自《简明英汉词典》
4. Norm approach for role assignation in grid workflow.
网格工作流中角色分配的Norm方法.来自互联网
5. The changes will lead to more flexible leases, and leases nearer to 15 years than the present norm of 25 years.
