order of magnitude

詞型變化：

名詞複數:or of: magnitude: 

字典網

英文解釋：

名詞 order of magnitude:

1. a degree in a continuum of size or quantity
   同義詞：order
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
   同義詞：magnitude

英文字典