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。
• 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 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。
• Potentially catastrophic tsunamis, a study says, making the risk of tsunamis an order of magnitude greater than current global estimates suggest.
  一项研究说，即便是在海地等沿海地区的断层发生一般的地震也可能导致灾难性的海啸，这让海啸的风险比目前的全球估计大了1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。
• 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。
• 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 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。
• China is an order of magnitude bigger even than Japan.
  中国的数量级甚至高于日本。
• 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。