“五月寒”的概念、定义、翻译、参考文献-科学参考

单词	五月寒
释义	五月寒 Encyclopedia 农学五月寒释 chilling in May五月寒早稻孕穗扬花期间，由于花粉母细胞减数分裂期对环境气象因子十分敏感，日平均气温连续3天以上降到20℃以下，或连续3天最低气温低于15℃，使水稻花器发育不良、花粉败育，空壳率增加，最终影响产量的一种灾害。多出现在小满到芒种农历五月的梅雨季节，又称梅雨寒[注]。
随便看	external angle external-angle bisector external attribution external auditory osteoma external balance type thermostatic expansion valve external bisector external budding external calibration external calibration method external capital requirement external cause external cavity surface emitting laser external center of similitude external characteristics external characteristic test external chest compression external coating of fusion bonded epoxy external coating of pipeline external coefficient external-combustion engine external common tangent external composition external composition law external compression inlet external conical refraction

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