名詞 beta:

1. the 2nd letter of the Greek alphabet
2. beets
   同義詞：genus Beta

形容詞 beta:

1. second in order of importance
2. preliminary or testing stage of a software or hardware product

1. A beta ray.
   β射線(xiàn)

be.ta

n.（名詞）
The second letter of the Greek alphabet.See table at alphabet
β：希臘語(yǔ)的第二個(gè)字母參見(jiàn) alphabet
The second item in a series or system of classification.
第二個(gè)，次級(jí)：在一系列類(lèi)別中處于第二位的東西
A mathematical measure of the sensitivity of rates of return on a portfolio or a given stock compared with rates of return on the market as a whole. A high degree of such sensitivity indicates moderate or high price volatility.
證券的β因素：一種數(shù)學(xué)手段，對(duì)某有價(jià)證券或某種給定股票的回報(bào)率與整個(gè)市場(chǎng)回報(bào)率相比的敏感性進(jìn)行測(cè)量。這種高程度敏感性表明其價(jià)位處于中度或高度易變狀態(tài)
Physics
【物理學(xué)】
A beta particle.
β粒子
A beta ray.
β射線(xiàn)
Chemistry
【化學(xué)】
The second position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
第二位，β位：有機(jī)物分子結(jié)構(gòu)中位于距指定碳原子的第二個(gè)位置，在此位置上原子或原子團(tuán)可被取代
An isomeric variation of a chemical compound. Used in combination:
一種化合物中的異構(gòu)體。用于化合作用：
例句：
beta-estradiol.
β-雌二酮

來(lái)源：
Greek bôta
希臘語(yǔ) bôta
from Canaanite bêt [house] * see beth
源自 迦南語(yǔ) bêt [房子] *參見(jiàn) beth