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

• In troposcatter transmission it turns out that M is of the order of magnitude of100 to1000.
  在对流层散射通讯中已证明M在100到1000的数量级。
• Other witnesses have reported numbers of a similar order of magnitude.
  其他见证者报告的数量级类似。
• Comparing with the model-predicted values and the experimental data of conventional packed beds, KG a obtained from our experiment was approximately an order of magnitude higher.
  若与传统填充床的经验式和实验值比较，则高重力场下的KGa则大约高了一个数量级之多。
• China is an order of magnitude bigger even than Japan.
  中国的数量级甚至高于日本。
• You should aim at improving the current limits by one order of magnitude on paper.
  研究的目标应该在纸上作业把目前的实验极限提升一个数量级。
• But it's going to give us the right order of magnitude that states are there that are accessible?
  但是它会给出我们想知道的数量级，有多少可能出现的状态？
• 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。
• 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。