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mineral materials
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mineral materials
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mineral materials
矿物材料
可直接利用其物理、化学性能的天然矿物岩石,或以天然矿物岩石为主要原料加工、制备而成,而且组成、结构、性能和使用效能与天然矿物岩石原料存在直接继承关系的材料。
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unitary algebra
unitary algebra; algebra with identity
unitary aliquot sequence
unitary amicable pair
unitary basis
unitary bordism
unitary bundle
unitary case
unitary character
unitary cobordism
unitary cobordism theory
unitary connection
unitary dilatation
unitary divisor
unitary divisor function
unitary dual
unitary eigenvector
unitary element
unitary equivalence
unitary evolution
unitary fermi gas
unitary frame
unitary gauge
unitary geometry
unitary group
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