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N-UNCOUNT
巨大;龐大;重要(性)
If you talk about the magnitude of something, you are talking about its great size, scale, or importance.
例句
An operation of this magnitude is going to be difficult...
這么大的手術實施起來十分困難。
These are issues of great magnitude...
這些問題極為重要。
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N-VAR
星等(指星的亮度);震級;(爆炸的)強度
Magnitude is used in stating the size or extent of something such as a star, earthquake, or explosion.
例句
...the 1.2 magnitude star Fomalhaut...
星等為1.2 的北落師門星
The San Francisco earthquake of 1906 had a magnitude of 8.3.
1906年舊金山地震的震級為8.3級。
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PHRASE
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.
例句
America and Russia do not face a problem of the same order of magnitude as Japan.
美俄兩國所面臨問題的重要性與日本的不可同日而語。
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PHRASE
數量級
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.
例句
The time delay would be smaller by eight orders of magnitude.
如果按8個數量級來看，延時量會顯得小一些。