hemitrope是什么意思

用法例句

The roles of extracellular calmodulin (CaM) of style and pollen in regulating pollen germination and tube growth were investigated by semivivo method.

以烟草为材料，通过半体内实验，就花柱和花粉胞外钙调素对花粉萌发和花粉管伸长的影响进行了观察。