n.二数;一对;二元一位
As a result, dyad spores formed. 结果形成二分体孢子。
Status Offline What the Hell's a Naiad Dyad? 到底什么是“水中仙女二元体”?
The dyad formed in Meiosis I was wrapped by thick callose. 粗/双线期,细胞的电子密度增加,细胞壁积累胼胝质,切断大孢子母细胞与珠心细胞之间的胞间连丝,核糖体的数量增多,线粒体与质体的形态变得不易区分,呈现脱分化状态。
At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared. 四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。
Take the quiz if you suspect that one of your friendships is actually a naiad dyad. 做个小测验看看自己的某段友谊是否是这种二元体。