A certification method to the relationship between polhode cone and herpolhode cone is given when the rigid body is in a fixed point motion.
摘要给出了刚体定点运动时本体与空间
间关系的一种证明方法。
A certification method to the relationship between polhode cone and herpolhode cone is given when the rigid body is in a fixed point motion.
摘要给出了刚体定点运动时本体与空间
间关系的一种证明方法。
The results indicate that the spores are yellowish, monolete, without perispore and bearing granular ornamentation on the exospore.They are bean-shaped in equatorial view and elliptical in polar view.
孢子黄色,具单裂缝,赤豆
,
,不具周壁,孢子外壁局部具大小不一的颗粒状纹饰。
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