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单词 spectroscopic displacement law
释义 spectroscopic displacement law
[¦spek·trǝ¦skäp·ik di`splās·mǝnt ´lȯ]
SPECTROSCOPY
The spectrum of an un-ionized atom resembles that of a singly ionized atom of the element one place higher in the periodic table, and that of a doubly ionized atom two places higher in the table, and so forth.
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