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理想黑体
释义
矿业工程技术词汇手册
理想黑体
perfect black body
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concave-convex lens
concave downward
concave down(ward)
concave fillet weld
concave function
concave function
concave function
concave grating
concave grating
concave-grating spectrograph
concave holographic grating
concave lens
concave lens
concave milling cutter
concave mirror
concave mirror
concave mirror
concave mirror
concave operator
concave polygon
concave polygon
concave polyhedron
concave programming
concave relief
concave scraper
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