“pollen tube”的概念、定义、翻译、参考文献-科学参考

单词	pollen tube
释义	pollen tube [`päl·ǝn ´tüb] ^BOTANY The tube produced by the wall of a pollen grain which enters the embryo sac and provides a passage through which the male nuclei reach the female nuclei.
随便看	deflation lake deflected jet fluidic flowmeter deflecting torque deflection deflection angle deflection bit deflection board deflection change deflection circuit deflection coil deflection correction deflection curve deflection defocusing deflection difference deflection electrode deflection error deflection factor deflection magnetometer deflection meter deflection-modulated indicator deflection of the vertical deflection plate deflection polarity deflection probable error deflection scale

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