Polygonum的例句（Polygonum在句子中的用法）

• Objective To supply reference for stipulating rules for quality control of Polygonum multiflorum Thunb. 目的为提高制首乌的质量标准提供参考依据.
• The chalazal megaspore of a linear tetrad develops into a polygonum type sac. 四分体线行排列,合点端的大孢子发育为蓼型胚囊.
• Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type. 大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.