norm

norm
noun
  1. (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。
  2. (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
  1. early 19th cent.: from Latin norma 'precept, rule, carpenter's square'
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