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This research contributed to the accumulation of basic material of gonadal development in batrachians. 文章结果为研究无尾两栖类的生殖腺发育提供了基础资料，并为北蛙南移提供依据。
The oocytes are covered with test cells and the gonadal development can be divided into 4 stages. 卵母细胞外有被囊细胞，生殖腺发育可分为4个时期。
The results here showed that the gonadal development in embryonic period of Rana chensinensis was not disturbed by the change of environment. 结果证明变迁后的环境对中国林蛙胚胎期的生殖腺发育没有造成不良结果。
In a previous study, we had observed synchronous changes of morphology and gonadal development in wild Japanese eel during the silvering process. 摘要先前的研究中已证实，野生日本鳗在银化过程中形态上的改变与生殖腺的发育呈现同步化现象。
The histology of the gonadal development of namucuo naked carp, Gymnocypris namensis which is endemic to the Namucuo Lake, Northern Tibet, was studied. 采用常规的组织切片方法,对西藏特有鱼类纳木错裸鲤的性腺发育进行了组织学研究,系统地描述了各期精巢和卵巢的形态结构、特征及其变化。
Using anatomical method, the gonadal development in postembryonic period of Rana chensinensis, which had been migrated from Northeast China, is studied. 摘要采用解剖学方法，对南移后的中国林蛙胚胎后期性腺发育进行了观察。
Yellow eels captured in the Kaoping River were repeatedly injected with human chorionic gonadotropin (HCG), and changes of morphology and gonadal development were examined. 将高屏溪采补到之日本鳗的黄鳗每周施打人类绒毛膜促性腺激素(HCG)，检验样本在形态上的改变与生殖腺的发育模式。
The present study revealed the effects of polychlorinated biphenyls(PCB) on chicken gonadal development and gamete differentiation during the late period of incubation. 研究了内分泌干扰物多氯联苯 (PCB)对鸡胚性分化开始后性腺发育和配子分化的影响。
The results showed that the gonadal development in postembryonic period of Rana chensinensis was well-balanced, and the environment of Guangdong is adapted to the gonadal development. 结果表明，南移后的中国林蛙胚胎后期的性腺发育基本正常，环境的变化并未对其产生不良影响。
If SRY is missing, the gonad develops into an ovary, even if the embryo is male. 如果SRY基因缺失，即使是男性胚胎，其性腺也会发育成卵巢。
The gonad developing to ovarian showed augmentation of size, closing to the middle of coelom and broadening of cross section. 而将要发育为精巢的性腺则呈两端尖中间稍突的梭形，增生并不明显。
Human chorionic gonadotrophin (HCG), 2000U, i. m. twice a week, and oral testosterone undecamoate were administered.The sex characteristics were more obvious and the gonad developed after therapy. 给予人绒毛膜促性腺激素2000U每周2次肌肉注射，口服十一酸睾丸酮治疗，病人性征较前明显且性腺发育。
Reproductive System and Gonadal Development of Onchidium struma 瘤背石磺的生殖系统和性腺发育
He tracked out the course and development of it. 他根据遗迹探索出该事物的进程和发展。
Concern about ecology is a recent development. 对生态的关心是最近才有的事。
A factory must try to diversify for further development. 一个工厂要获得进一步发展就要努力使产品多样化。
The development was adverse to our interests. 这种发展与我们的利益背道而驰。
The town has been designated a development area. 该城市已被定为开发区。
The laval council finance the development of the marina. 开发小船坞的资金是由当地议会提供的。
The development and growth of an embryo. 胚胎发生胚胎的发展与生长