1. of the first magnitude : a. 头等重要的;
名词
1. 巨大;庞大;重要(性)
If you talk about the magnitude of something, you are talking about its great size, scale, or importance.
2. 星等(指星的亮度);震级;(爆炸的)强度
Magnitude is used in stating the size or extent of something such as a star, earthquake, or explosion.
3. 程度;重要性
You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
4. 数量级
In mathematics, if one amount is an order of magnitude larger than another, it is ten times larger than the other. If it is two orders of magnitude larger, it is a hundred times larger.
1. the property of relative size or extent (whether large or small)
e.g. they tried to predict the magnitude of the explosion
about the magnitude of a small pea
2. relative importance
e.g. a problem of the first magnitude
3. 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: order of magnitude