英语词汇“ground level”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ground level n. Physics = ground state n.; (see also Compounds 1a above).

ΘΚΠ

the world > matter > physics > quantum theory > raising energy level, excitation > [noun] > state of lowest level

ground level1923

ground state1926

1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines vi. 325 In our diagram the absorption lines would have to be represented by arrows that start out from the natural or ground level and are directed upwards.

1953 L. H. Aller Astrophysics 25 The excitation potential in ev is the potential through which a bombarding electron must drop in order to acquire sufficient energy to excite an atom from the ground level to the level in question.

单词	ground level
释义	> as lemmas ground level ground level n. Physics = ground state n.; (see also Compounds 1a above). ΘΚΠ the world > matter > physics > quantum theory > raising energy level, excitation > [noun] > state of lowest level ground level1923 ground state1926 1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines vi. 325 In our diagram the absorption lines would have to be represented by arrows that start out from the natural or ground level and are directed upwards. 1953 L. H. Aller Astrophysics 25 The excitation potential in ev is the potential through which a bombarding electron must drop in order to acquire sufficient energy to excite an atom from the ground level to the level in question. extracted from groundn. < as lemmas
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