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annual ring
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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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tetrahedral graph
tetrahedral group
tetrahedral intermediate
tetrahedral interstice
tetrahedralization
tetrahedral number
tetrahedral pyramid
tetrahedral site
tetrahedral space
tetrahedral surface
tetrahedrite
tetrahedrogonometric
tetrahedroid
tetrahedron
tetrahedron circumscribing
tetrahedron equation
tetrahedron hybridization
tetrahedron of reference
tetrahedron theorem
tetrahedry
tetrahexahedron
tetrahydroborate
tetrahydrocannabinol
tetrahydrofolic acid
tetrahydrofuran
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