4个胚珠同时分泌授粉滴,花粉掉落后被授粉滴带进珠孔.Pollination drops were exuded from 4 ovules at one time.开花当天助细胞珠孔端的丝状器中聚集了大量的钙颗粒.Near anthesis, synergids formed filiform apparatus in which abundant calcium precipitates accumulated pollen tube...
Light - vehicle headlamp reflector is constituted of parabolas to 3 - D surface, which is a deep drawing workpiece.轻型车前照灯反光镜是由抛物曲线构成的 三维 曲面深拉深件.We continue the above three – phase parabola detection procedure until all t...
The decidua of both normal pregnant rats and abortion were also scratched for TUNEL.同时取正常与流产大鼠的蜕膜作TUNEL染色,观察凋亡情况.The abstracted tissue contained normal endometriu m , remaining decidua and a small amount of chorion villi...
Forest coccus blood is not bad chemical examination from what comes out?林球菌血液可以化验出来 吗 ?The classroom was quiet during the examination.考试时教室里一直是静悄悄的。The college entrance examination is like a sword of Damocles.高考就像是一把达摩克里...