order of magnitude

noun

1. a degree in a continuum of size or quantity

e.g. it was on the order of a mile
an explosion of a low order of magnitude

Synonym: order

2. a number assigned to the ratio of two quantities
two quantities are of the same order of magnitude if one is less than 10 times as large as the other
the number of magnitudes that the quantities differ is specified to within a power of 10

Synonym: magnitude

1. 数量级：一个数量级(order of magnitude)就是十倍的差异. 例如说两数相差三个数量级,其实就是说一个数比另一个大一千倍. 我们用科学记数法就能简单地描述数量级.

2. order of magnitude的意思

2. 量级：1945年美国第一枚原子弹爆炸现场,费米把撕碎的纸屑扔向空中,根据纸屑在爆炸冲击波作用下离开原点的距离来估计爆炸当量,结果跟后来计算机精确计算的结果所差无几,费米这种估计物理量的数量级(ORDER OF MAGNITUDE)的方法直到现在也是物理学

3. order of magnitude是什么意思

3. 级：我们没有任何理由作出这样的假设:买方占有母牛比卖方占有母牛更有价值[因为它的真实价值是与当事人的想象有差距的量数级(order of magnitude)],卖方在认定该牛为不能生育时也没有粗心大意;事实上,卖方犯了一个合理而又(在合理成本条件下)不可避免的错误.

4. 恒星等级数量级：order of light 灯塔等级 | order of magnitude 恒星等级;数量级 | order of magnitude 恒星等级数量级