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

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。
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。
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。
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。
China is an order of magnitude bigger even than Japan.
中国的数量级甚至高于日本。
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。
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。
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。
In many cases, the price is lower by more than an order of magnitude.
在很多情况中，价格会低一个数量级以上。