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

• 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。
• 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。
• 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。
• During pre-concept phase, the development team provides a rough order of magnitude ( ROM) for proposed release content and ( not committed) target dates.
  在制定概念前阶段，开发团队提供粗数量级（ROM）的提议发布内容和（未确定的）目标日期。
• 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。
• Customer problem solved: The public cloud environment will let the company handle the workloads that may be as much as an order of magnitude greater than it is used to.
  所解决的客户问题：公有云环境将允许公司处理比之前高达一个数量级的工作负载。
• 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。
• 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。
• 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。
• 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。