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dimensional artefact
实物标准器
具有规定的形态,以特定材料及其表面特性稳定复现一个或多个固定量值的几何量测量仪器。
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Abelard's ethical thoughts
Abel binomial theorem
Abel continuity theorem
Abel convergence theorem
Abel crater
Abel criterion
Abel curve theorem
Abel differential equation
Abel-Dini theorem
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Abel ergodic theorem
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Abel-Galois theorem
Abel-Goncharov problem
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Abelian algebra
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Abelian differential of the first kind
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