查询词典 reproductive

Sporangium (pl.sporangia) A reproductive body in which asexual spores are formed.

孢子囊：无性孢子产生的场所。

BACKGROUND :Rapid development of spermatogonial stem cells is the new hope for assisting reproductive technologies, and the stability of the number and structure of the chromosome cultured in vitro is one of the important factors in usage.

背景：精原干细胞技术的快速发展为生殖工程带来了新希望，而在体外维持染色体数目及结构的稳定性是其使用的关键问题之一。

Pem gene is expressed in a time and stage specific manner. Pem transcripts are detectable as early as day 6 in mouse embryonic development, and are abundant in day 7 and 8, but decrease precipitously thereafter. Although Pem transcripts are not detectable in most of adult tissues, they are present in reproductive system. Furthermore, Pem has also shown to be specifically expressed in the proximal cauda and distal corpus regions of the epididymis, the regions where spermatozoa gain forward motility and fertilization competence.

Pem基因的表达具有明显的时间和空间特异性：在鼠胚发育的第6天，即可检测到Pem转录本的表达；第7-8天，Pem表达量达到最高，随后迅速减少；Pem基因在成年组织中一般不表达，但可在生殖组织表达；另外，Pem特异地在附睾近侧尾部和远侧的体部中表达，此处是精子获得运动性和受精能力的地方。

By finishing the breeding records of 850 parities Landrace sows and 470 parities Yorkshire sows from the breeding stock farm in Nanchong City, Sichuan Province, the effects of the interval from weaning to the breeding and gestation period on the reproductive performance of sows were studied.

通过整理四川省南充市种畜场850窝长白母猪、470窝约克夏母猪的繁殖记录，研究了断奶至配种间隔、妊娠期对长白和约克夏母猪繁殖性能的影响。

The leaf layer height, the reproductive shoot height, the stolon length and so on, were chief standards to disthinguish bermudagrass.

叶层高度、生殖枝高度、匍匐茎节间长等是狗牙根分类的主要依据。

Reproductive health institutions in Suzhou and Jiaxing areas were sampled with stratified sample method.

我国于 1994年就引入生殖健康的概念，并将其作为卫生工作的优先服务项目。

Purpose: To investigate the effect of acupuncture combined with processing herb for the reproductive endocrine of postmenopausal osteoporosis and bone metabolism levels, and research the functional mechanism of the effect from the angle of hypothalamic- pituitary- ovarian axis、suprarenal axis and thyroid axis.

目的：观察针刺结合小剂量淫羊藿，治疗绝经后骨质疏松症的临床疗效，及其对绝经后生殖内分泌、骨代谢水平的影响，从下丘脑-垂体-卵巢轴、肾上腺轴、甲状腺轴的角度探讨针药结合对绝经后骨质疏松症的作用环节。

Sperm swim at about 30 inches per hour and can survive in the female reproductive tract for up to three days.

精子游泳速度为每小时30英尺，在女性生殖道内最多存活3天。

The transition from vegetative to reproductive growth is the major developmental switch in plant life cycle.

开花是植物从营养生长到生殖生长的一个重要转折点。

During the comparison of its reproductive ways, one group Chinese Tamarisk was used as contrast, ten duplications were set in each salt gradient group, with five plants in each duplication.

在对柽柳繁殖方式的比较中，设一组对照，在每个浓度梯度下设置10个重复，其中扦插和种子繁殖各5株。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！