atomic theory

基本解釋

Because atomic theory explains things.
因為原子理論能夠解釋一些現(xiàn)象
Democritus’ atomic theory has other modern connotations.
德謨克利特的原子論還具有另一個現(xiàn)代的隱含意義。
then you can see how you can have very easily different arrangement of corpuscles within substances, a kind of atomic theory.
那么就能輕易地看到,物質(zhì)中微粒的不同構(gòu)成，那就是原子理論。

So, up here, atomic theory, periodic table, bonding, structures and molecules.
原子理論，元素周期表，價鍵，分子結(jié)構(gòu)。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
And they had this feeling because there had just been this huge boon of discovery, of scientific advances that included Newtonian mechanics, it included Dalton's atomic theory of matter, also thermodynamics and classical electromagnetism.
他們會有這樣的感覺,是因為他們剛，經(jīng)歷科學(xué)上的,大繁榮期，包括牛頓力學(xué),道爾頓物質(zhì)原子理論，熱力學(xué)和電磁學(xué),都取得了巨大進展。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
Because atomic theory explains things.
因為原子理論能夠解釋一些現(xiàn)象
耶魯公開課 - 死亡課程節(jié)選

We can understand atomic theory, and we can understand literature and learn about the great works of art and all the great things of culture, but why?
FORBES: Has Education Lost Its Soul? (Pt. 2)

any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds