单词 | order of magnitude |
释义 | order of magnitude【计】 数量级, 量级 order of magnitude order of magnitude n.(名词) 【复数】 orders of magnitude 1. An estimate of size or magnitude expressed as a power of ten:数量级:以10的表示的大小或幅度的大约值:Earth's mass is of the order of magnitude of 10&+{22} tons; that of the sun is 10 &+{27} tons. 地球质量的数量级是1022吨 ;太阳的则是10 27吨 2. A range of values between a designated lower value and an upper value ten times as large:等级:处于相差10倍的两个数值之间的那一段值的范围:The masses of Earth and the sun differ by five orders of magnitude.地球与太阳的质量相差五个数量级 |
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