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chemistry of element
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chemistry of element
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理学
元素化学
释
chemistry of element
元素化学
以元素为基础,研究物质世界的组成、结构和变化规律的学科。是探索物质世界的有效工具。
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concave curve
concave down
concave down curve
concave downward
concave function
concave functional
concave grating
concave kite
concave lens
concave metric
concave minimization problem
concave mirror
concave operator
concave polygon
concave polyhedral angle
concave polyhedron
concave probability measure
concave programming
concaver
concave sequence
concave space
concave surface
concave-up
concave-up curve
concave upward
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