alpha中文什么意思

n.
1.阿尔法〔希腊语字母表首字母α，相当于英语的 a〕。
2.最初。
3.【天文学】α 星，主星。
+更多解释...短语和例子
alpha and omega 首尾，始终；全体。

• alpha-s:    新加坡机师工会
• alpha alpha:    通道
• benzotrichloride,-alpha-,-alpha-,-alpha-:    次苄基三氯; 三氯甲苯

例句与用法

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1. The theory of alpha decay utilizes this model .
   衰变理论用了这种模型。
2. Most of the alpha particles would go right through the foil .
   大多数粒子总是笔直地穿过簿箔。
3. Thus the alpha particle is an exceptionally stable nuclear structure .
   由此可见，粒子是一种特别稳定的核结构。
4. Alpha particles emitted by radioactive nuclei have energies of a few mev .
   由放射性原子核发射出的粒子能量一般为几个Mev。
5. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay .
   粒子是从天然放射性蜕变得到的带正电的氦核。

英文释义

名词

1. the 1st letter of the Greek alphabet
2. the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations

形容词

1. early testing stage of a software or hardware product; "alpha version"
2. 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"

百科释义

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.