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单词
photocathode
释义
photocathode
A cathode that emits electrons when light falls upon it, as a result of the photoelectric effect. See photoelectric cell
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autoclave
autoradiography
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average
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Avogadro's law
Avogadro, Amedeo
axial vector
axion
axis
azeotrope
azimuth
azimuthal quantum number
Babbit metal
Babo's law
back e.m.f.
background radiation
backing store
backup
balance
ball lightning
ballistic galvanometer
ballistic pendulum
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更新时间:2026/1/7 7:33:24