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树木年轮
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树木年轮
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理学
〔第四纪沉积记录〕
释
tree ring
树木年轮
伴随着气候季节性变化,树木的形成层分生组织具有季节性活动,在树干横切面上形成逐年增长的环状木质结构。
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alternating permutation
alternating polynomial
alternating polynomial time complexity class
alternating polynomial time complexity class, AP
alternating process
alternating product
alternating pulse
alternating renewal process
alternating representation
alternating ring
alternating satellite
alternating sequence
alternating series
alternating series test
alternating set of points
alternating share
alternating sign matrix
alternating sign matrix conjecture
alternating-signs rule
alternating-signs test
alternating space complexity
alternating stress
alternating sum
alternating tensor
alternating tensor density
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