quadrivalentsBNC²³⁶²¹³⁺¹ 基本例句 a.四价的医四价的原型quadrivalent的复数 The mean numbers of the quadrivalents in the cells existed difference not only in the species but also in the individual plants of the autotetraploidy Chinese cabbage. 细胞中四价体的平均数目不仅在四倍体大白菜品系间存在着差异，在植株间也表现出明显地变化。 cnki