| 单词 | magnitude |
| 释义 | magnitude['mægnitju:d]n. 巨大, 重大, 重要, 大小, 数量, 星等(指星的亮度)【计】 大小; 值 magnitude mag.ni.tude AHD: [m²g“n¹-t›d”, -ty›d”] D.J. [6m#gn!7tu8d, -7tju8d]K.K. [6m#gn!7tud, -7tjud]n.Abbr. mag.（名词）缩写 mag.1. Greatness of rank or position:崇高：职务或者地位的重要：“such duties as were expected of a landowner of his magnitude”(&b{Anthony Powell})“应该由地位崇高的地主来担负的责任”(安东尼·鲍威尔)2. Greatness in size or extent:巨大：尺寸或程度上的大：The magnitude of the flood was impossible to comprehend.这场水灾的危害性是无法了解的3. Greatness in significance or influence:重大：意义或者影响上的重大：was shocked by the magnitude of the crisis.被这场危机的严重程度震惊了4. Astronomy The degree of brightness of a celestial body designated on a numerical scale, on which the brightest star has magnitude &9{-}1.4 and the faintest visible star has magnitude 6, with the scale rule such that a decrease of one unit represents an increase in apparent brightness by a factor of 2.512.Also called apparent magnitude 【天文学】 星的亮度：用数字化尺度表示出来的一个天体的亮度，最亮的星的星等为-1.4；最昏暗的星等为6，在这种度量的规则下，星等减小一个单位表示外观亮度增强2.512倍也作 apparent magnitude5. Mathematics 【数学】 6. A number assigned to a quantity so that it may be compared with other quantities.量值：用来表示数量多少的一个数字，以便和其他数量作比较7. A property that can be quantitatively described, such as the volume of a sphere or the length of a vector.可量化的值：可以用数字形式描述出来的特性，例如球体的面积或者向量的长度8. Geology A measure of the amount of energy released by an earthquake, as indicated on the Richter Scale.【地质学】 震级：衡量地震释放出能量大小的单位，例如按里氏标准表示出来的级别语源:1. Middle English 中古英语 2. from Old French [size] 源自 古法语 [尺寸] 3. from Latin magnit&9{¿d½} [greatness, size] 源自 拉丁语 magnit&9{¿d½} [大；大小] 4. from magnus [great] * see meg- 源自 magnus [大的] *参见 meg- |
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