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单词
iron(Ⅱ,Ⅲ) oxide
释义
iron(Ⅱ,Ⅲ) oxide
Encyclopedia
理学
四氧化三铁
释
iron(Ⅱ,Ⅲ) oxide
四氧化三铁
化学式Fe3O4。因其具有磁性又称磁性氧化铁、吸铁石等。
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torsion A-module
torsion and bending of cylindrical bar
torsion angle
torsion balance
torsion-balance gravity gradiometer
torsion basis
torsion center
torsion class
torsion coefficients
torsion-complete
torsion constant
torsion-curvature form
torsion divisor
torsion element
torsion fiber
torsion field
torsion form
torsion-free
torsion free affine connection
torsion-free affine connection
torsion-free A-module
torsion free commutative group
torsion-free commutative group
torsion-free connection
torsion-free group
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