polygra多种波动度, 多字母POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的Polycyclic Metallogenesis多旋回成矿polyhydroxyalkanoic acids聚羟链烷酸Polycysitc ovary syndrome多囊卵巢综合征Polysiphonia subtilissiman.纤细多管藻poly-change speed motor多速电动机polyvinyl chloride gasket聚氯乙烯垫带polycrystalline aggregate多晶聚合体polycrystalline substance底部结构Polycrystalline thin film多晶薄膜Polystichum parvipinnulumn.尖叶耳蕨