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年轮
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〔植物形态与结构〕
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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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flexibility coefficient
flexibility factor
flexibility metric
flexibility of polymer chains
flexibility principle
flexibility training
flexible
flexible ablative thermal protection composite
flexible accelerometer
flexible AC transmission system
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Flexible Assembly System, FAS
flexible battery
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flexible budget
flexible chain
flexible chain configuration
flexible chain macromolecule
flexible chain polymer
flexible coking
flexible comb type seed metering device
flexible constitution
flexible copper indium sulfide thin film solar cell
flexible coupling
flexible cut-to-size
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