无性胚囊 Unreduced embryo sac
无性胚形成 asexual embryo formation
无汗性外胚层发育不良 Anhidrotic Ectodermal Dysplasia ; hypohidrotic anhidrotic ectodermal dysplasia
无汗性外胚叶发育不全 hypohidrotic ectodermal dysplasia
开展栓皮栎体胚发生再生植株研究，对栓皮栎优良无性系快繁、遗传改良和基因资源保存具有重要意义。
It is very important to quickly propagation excellent clones, genetic improvement and gene resource preservation through somatic embryogenesis plant regeneration for this species.
结论卵巢生殖细胞肿瘤中无性细胞瘤和胚胎性癌分化水平最接近于生殖母细胞至胚泡阶段。
Conclusions the differential level of dysgerminoma and embryonal carcinoma approximates the stages of gonocyte and blastocyst.
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