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单词
atomic percent
释义
atomic percent
[ǝ`täm·ik pǝr`sent]
CHEMISTRY
The number of atoms of an element in 100 atoms representative of a substance.
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Poinsot's spiral
point
point angle
point at infinity
point bar
point-bearing pile
point biserial correlation coefficient
point-blank range
point characteristic function
point contact
point-contact diode
point-contact silicon cell
point-contact transistor
point defect
point diagram
point distal flow
pointed bracket
pointer
Pointers
point estimates
point fire
point function
point group
point harmonization
pointing
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