“cold hardening by ventilation in greenhouse”的概念、定义、翻译、参考文献-科学参考

单词	cold hardening by ventilation in greenhouse
释义	cold hardening by ventilation in greenhouse Encyclopedia 农学放风锻炼释 cold hardening by ventilation in greenhouse放风锻炼温室和大棚种植的作物，在一定时期适度揭开薄膜透风，使作物受到一定抗逆锻炼的过程。育苗用的温床和阳畦在定植前通常也需要放风锻炼。
随便看	Dirac spinor field Dirac spinor wave equation Dirac string Dirac theorem Dirac theory of constraints Dirac-type operator Dirac von Neumann axioms Dirac-von Neumann axioms Dirac Γ matrices Dirac Γ-matrices Dirac δ-function diradical DIRBE Dirck Bouts direct direct abatement cost directable design direct absorption direct access direct access method direct aeration flotation column direct air cooled system direct alcohol fuel cell direct alcohol fuel cell (DAFC) direct alkanol fuel cell

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