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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
随便看
doublet structure
double twist
double twist of filament
double twist of staple yarn
double value
double-valued function
double valuedness
double valued representation
double-valued representation
double vector
double vector product
double vernier
double walled carbon nanotube
double-walled carbon nanotube
double wall insulated tank
double water phase separation
double wave
double weave
double wedge
double-wedge
double weft–knitted fabric
double-width weave
double β decay
double β-decay
double-column disconnector
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