order of magnitude

英 [ˌɔːdər əv ˈmæɡnɪtjuːd]

美 [ˌɔːrdər əv ˈmæɡnɪtuːd]

n.  数量级(量度物理量大小的标准，用以10为底的指数表达)

计算机

牛津词典

noun

• 数量级（量度物理量大小的标准，用以10为底的指数表达）
  a level in a system of ordering things by size or amount, where each level is higher by a factor of ten
  1. The actual measurement is two orders of magnitude (= a hundred times) greater than we expected.
     实际测量结果比我们预料的大两个量级（即一百倍）。
  2. The problem is of the same order of magnitude for all concerned.
     这个问题对有关各方的影响是一样大的。

英英释义

noun

• a degree in a continuum of size or quantity
  1. it was on the order of a mile
  2. an explosion of a low order of magnitude
  Synonym:order
• a number assigned to the ratio of two quantities
  Synonym:magnitude

双语例句

• It was found that the calculation results and the experimental data had the same order of magnitude.
  使用该方法所得到的动力特性系数的计算结果与测量值量级相同。
• 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。
• In the last 10 years researchers have advanced by roughly an order of magnitude.
  在过去10年中，研究人员大约前进了一个数量级。
• 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。
• The estimate for the building work is of the order of magnitude we were expecting.
  对建造房子所花费用的估计和我们预料的差不多。
• Due to the memory storage technology used in SSDs, the performance is an order of magnitude higher than regular hard disk drives.
  由于SSD中采用了内存存储技术，SSD的性能比常规硬盘驱动器高出了一个数量级。
• A good framework can reduce the cost of developing an application by an order of magnitude.
  一个好的框架可大大降低应用系统的开发成本。
• In many cases, the price is lower by more than an order of magnitude.
  在很多情况中，价格会低一个数量级以上。
• America and Russia do not face a problem of the same order of magnitude as Japan.
  美俄两国所面临问题的重要性与日本的不可同日而语。
• The gravimetric hydrogen production rate exceeds that of other solar-driven thermochemical processes by more than an order of magnitude.
  而分解出氢的效率以重量计算可比其它太阳能热制程的效率高出一个数量级。