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annual ring
释义
annual ring
Encyclopedia
理学
〔植物形态与结构〕
释
annual ring
年轮
温带及其以北地区生长的树木通常在每年的一个生长期中,由维管形成层产生一圈次生木质部,在木材横切面上呈现明显的同心轮状结构。
Biology
annual ring
年轮
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ultra-low water saturation
ultraluminescence
ultraluminous galaxy
ultraluminous galaxy nucleus
ultra luminous infrared galaxies
ultra-luminous infrared galaxies
ultraluminous infrared galaxies
ultraluminous infrared galaxy
ultraluminous X-ray source
ultraluminous X-ray sources
ultramacroion
ultramafic glass
ultramafic rock
ultramarine blue
ultrametal-poor star
ultrametric
ultrametric field
ultrametric inequality
ultrametric norm
ultrametric skew field
ultrametric space
ultrametric triangle inequality
ultrametric valuation
ultramicro analysis
ultramicroanalysis
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