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

• 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。
• There is much less index access and no index AND'ing so that the overall performance can be one or two order of magnitude better-depending on predicate selectivity.
  只有相当少的索引访问且没有索引AND'ing，这样整体性能将提高一个或两个数量级&取决于谓词选择。
• 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。
• The variation will be on the same order of magnitude as the average itself.
  变动的值，会和平均值本身有相同的数量级。
• Most software projects have requirements backlogs that are too big& often by an order of magnitude.
  大多数软件项目都有庞大的需求积压&通常按照数量级进行排列。
• 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。
• China is an order of magnitude bigger even than Japan.
  中国的数量级甚至高于日本。
• 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。
• JBind performs a full order of magnitude slower than most of the binding frameworks in these tests.
  相对于这些测试中的大多数绑定框架，JBind的执行速度慢了整整一个数量级。
• 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。