The male gamete could not unite with the female.雄配子不能与雌配子结合.Gametes may develop without fertilization, or meiosis may substantially precede gamete formation.配子不经过受精也可能发育,若减数分裂先于配子形成,配子也可能发育.Objective : To investigate the...
Cell morphological observation showed that Galla Chinesis has obvious influence on fibroblast.细胞形态学观察结果可见五倍子对成纤维细胞具有明显的影响.Fibroblast growth factor spatial loading was significantly reduced with intact coronary perfusion....
公用之马,掌子最差.The common horse is worst shod.塞尼山隧道是从两头的掌子面同时掘进的.一头在法国,一头在意大利,最后在中间汇合.The Mont Cenis was bored from two different headings, one in France and one in Italy....