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natural phenological observation
释义
natural phenological observation
Encyclopedia
农学
自然物候观测
释
natural phenological observation
自然物候观测
对受气候、水文、土壤等环境因素影响而出现以年为准周期的动植物生长发育和行为及其他非生物自然节律现象的观测。是基层农业气象站的一项基本业务。
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signature file
signature inversion
signature of a group
signature of a knot
signature of a link
signature of a logical language
signature of a manifold
signature of a matrix
signature of an algebraic system
signature of an irreducible representation
signature of a permutation
signature of a pseudo-Euclidean space
signature of a quadratic form
signature of Wely reflection
signature operator
signature verification
sign convention
sign-definiteness
sign dictionary
SIGNE 3
signed
signed content
signed deviation
signed directed graph
signed directed graph method
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