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单词
metallography
释义
metallography
The microscopic study of the structure of metals and their alloys. Both optical microscopes and electron microscopes are used in this work
随便看
ultraviolet microscope
ultraviolet radiation
umbra
uncertainty principle
underdamped
uniaxial crystal
unified-field theory
union
unit
unit cell
unit magnetic pole
unit vector
unitary transformation
universal constant
universal motor
universality
universe
unstable equilibrium
upper atmosphere
upthrust
uranium
uranium series
uranium-lead dating
URL
UV
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更新时间:2026/1/22 4:50:09