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

• The raw material concentration is one order of magnitude lower than the concentration in the traditional fixed state process.
  原料浓度比传统定态过程低一个数量级。
• 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。
• For a commercial software product, the Business Case should include a set of assumptions about the project and the order of magnitude return on investment ( ROI) if those assumptions are true.
  对一个商业软件产品来说，商业案例应该包括一组关于项目和投资收益（ROI）的数量级的假设。
• China is an order of magnitude bigger even than Japan.
  中国的数量级甚至高于日本。
• 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。
• But they give an approximate order of magnitude.
  但它们反映出了大致的数量级。
• Sorting the derived dataset can easily accelerate the overall operation by an order of magnitude or more.
  对派生的数据集进行排序可以轻松地使整个操作加速一个或几个数量级。
• 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 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。
• When auxiliary heaters are turned on the chamber pressure may rise by an order of magnitude or more.
  当辅助加热器接近燃烧室工作时，压强就可能上升一个数量级或更多。