alpha中文
[ 'ælfə ] 發音: 用"alpha"造句
- n.
1.阿爾法〔希臘語字母表首字母α,相當于英語的 a〕。
2.最初。
3.【天文學】α 星,主星。
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- alpha-s: 新加坡機師工會
- alpha alpha: 通道
- benzotrichloride,-alpha-,-alpha-,-alpha-: 次芐基三氯; 三氯甲苯
例句與用法
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- The theory of alpha decay utilizes this model .
衰變理論用了這種模型。 - Most of the alpha particles would go right through the foil .
大多數粒子總是筆直地穿過簿箔。 - Thus the alpha particle is an exceptionally stable nuclear structure .
由此可見,粒子是一種特別穩定的核結構。 - Alpha particles emitted by radioactive nuclei have energies of a few mev .
由放射性原子核發射出的粒子能量一般為幾個Mev。 - Alpha particles are positively charged helium nuclei obtained from natural radioactive decay .
粒子是從天然放射性蛻變得到的帶正電的氦核。
英文釋義
名詞- the 1st letter of the Greek alphabet
- the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations
- early testing stage of a software or hardware product; "alpha version"
- first in order of importance; "the alpha male in the group of chimpanzees"; "the alpha star in a constellation is the brightest or main star"
百科釋義
Alpha (uppercase Α, lowercase α; ?lpha) is the first letter of the Greek alphabet. In the system of Greek numerals it has a value of 1.
詳細百科解釋