order-of-magnitude

英 ['ɔːdər'əvm'æɡnɪtjuːd] 美 ['ɔːdər'əvm'æɡnɪtjuːd]

• n. 数量级；绝对值的阶

英英释义

名词 order of magnitude:

1. a degree in a continuum of size or quantity

2. a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10

例句

用作名词 (n.)

1. The extremely crude treatment serves to estimate the order of magnitude of the response.
   精确度很差的处理方法可以用来估计响应的数量级。
2. At first sight it might be thought that these two effects would be of the same order of magnitude.
   初看起来，可能会认为两个效应的大小属于同一个数量级。