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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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industry alliance
Industry association leading credit reporting mode
industry as the leading sector of the national economy
industry belt of advantageous and special products
industry classification
industry classification system
industry cluster
industry clusters
industry competitive intelligence
industry consulting institution
industry continuation education
industry convergence
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industry informatics association
industry information organization
industry information system
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industry of energy saving and environmental protection
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