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

• 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。
• 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。
• So there seems to be a rough agreement on at least the order of magnitude of recent job losses.
  这样看来，至少在最近的失业情况的数量级上，前后两项调查得出了大致相同的结论。
• 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。
• The country's debt this year will be of the same order of magnitude as it was last year.
  今年这个国家所欠的债务和去年相比在一个数量级上。
• 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。
• 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。
• 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。
• 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。