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laser cutting technology
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laser cutting technology
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laser cutting technology
激光切割技术
利用聚焦激光束照射工件,使被照射处材料熔化、汽化、烧蚀或达到燃点,实现割开工件的热切割方法。
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covariant formulation of Lorentz condition
covariant formulation of Maxwell equations
covariant formulation of Maxwell equations in media
covariant formulation of the charge conservation
covariant functor
covariant index
covariantly constant field
covariantly constant spinors
covariant mapping
covariant morphism functor
covariant of a group
covariant of a tensor
covariant order
covariant principle
covariant quantization
covariant set
covariant spinor
covariant tangent bundle
covariant tensor
covariant tensor algebra
covariant tensor field
covariant tensor fields on complex manifold
covariant transformation
covariant valence
covariant vector
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更新时间:2025/7/1 14:14:34