“这方面的例证不胜枚举，即便在生殖生物学里，自然方法也未必是最优和最有效的。”这就是报告的结论。
"There are many examples even in reproductive biology that the natural way is not necessarily the optimal or the most efficient one," they conclude.
然而，后一个问题，生物学已经有了几种解释，它们都以长寿命与生殖能力的平衡为中心。
For the latter, though, biology has several explanations, all of which revolve around a trade-off between longevity and the ability to reproduce.
显然，这种逆转录病毒基因填补了哺乳动物生物学的一个小生境，但是从另一方面来说，在第一次感染此类病毒以前，哺乳动物已经能够完美的生殖了。
Clearly, this retroviral gene fills an important niche in mammalian biology, but, on the other hand, mammals were able to reproduce perfectly well before they were first infected.
Donaldson博士及她的团队就是这么做的，他们的成果发表在《生殖生物学》12月刊上。
And that, as they describe in the December issue of Biology of Reproduction, is what Dr Donaldson and her team have done.
这是生殖医学与生物学的网页。
在美国，卵母细胞是通常不用于生殖生物学的基础研究。
In the United States, oocytes are infrequently used for basic research in reproductive biology.
非整倍体是人类生殖生物学中的重要问题，是引起自发性流产和新生儿中多种先天性畸形综合征的主要原因。
Aneuploidy is an important point at issue in human reproductive biology, accounting for both a major proportion of miscarriages and various congenital malformation syndromes among newborns.
雌雄合抱作为血吸虫发育过程中的一种特殊生物学现象，对血吸虫个体的发育成熟，特别是生殖功能的完善有着非常重要的意义。
Male-female worm pairing of schistosome, one special biological phenomenon of the life cycle, is of vital significance to its reproductive function.
本论文采用常规生物学方法、显微和超微组织学方法，对中国团扇鳐的年龄和生殖特性进行了研究；
Here, the age and the reproductive characteristics of P. sinensis are studied with common biological method, microstructure and ultrastructure method;
在体外模拟人体配子给研究人类生殖细胞生物学和生殖药的治疗方法。
In vitro modeling of human gametogenesis provides a new approach for studying biology of human germ cells and establishment of therapeutic approaches in reproductive medicine.
目的：探讨CD117在睾丸生殖细胞肿瘤中的表达及其在鉴别睾丸精原细胞瘤和非精原细胞瘤中的价值和生物学意义。
Objective:To evaluate the expression of CD117 in human testicular germ cell tumors and its value in the differential diagnosis of seminoma and nonseminoma.
目的：探讨CD117在睾丸生殖细胞肿瘤中的表达及其在鉴别睾丸精原细胞瘤和非精原细胞瘤中的价值和生物学意义。
Objective:To evaluate the expression of CD117 in human testicular germ cell tumors and its value in the differential diagnosis of seminoma and nonseminoma.
应用推荐