(the norm)something that is usual, typical, or standard 惯例,典范 strikes were the norm. 罢工曾是惯例做法。 ■(一般作 norms)a standard or pattern, especially of social behaviour, that is typical or expected of a group (尤指社会行为)准则,规范 the norms of good behaviour in the Civil Service. 行政事务中的良好行为规范。 ■a required standard; a level to be complied with or reached 标准 [as modifier]the 7% pay norm had been breached again. 7%的付款标准又一次被打破。
(Mathematics)(数)the product of a complex number and its conjugate, equal to the sum of the squares of its real and imaginary components, or the positive square root of this sum 模方 ■an analogous quantity used to represent the magnitude of a vector 范数
语源
early 19th cent.: from Latin norma 'precept, rule, carpenter's square'