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essential elements of agrometeorology
释义
essential elements of agrometeorology
Encyclopedia
农学
农业气象要素
释
essential elements of agrometeorology
农业气象要素
狭义的农业气象要素一般指与农业生产有关的气象要素。广义的农业气象要素还包括农业生产本身的一些特征量,如农业气象平行观测中所有的观测项目以及农业气象问题涉及的参数。比如发育期、种植密度、产量等。通常取狭义。
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closed cycle engine
closed-cycle refrigerator
closed differential
closed differential field
closed differential form
closed differential relation
closed disk
closed domain
closed drain system
closed-easy-axis
closed economy
closed ecosystem
closed edge sequence
closed edge train
closed elastic drive
closed element
closed embedding
closed-end fund
closed equivalence relation
closed expression
closed extension
closed family of sets
closed field
closed filament
closed filter
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