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The testes,ovarium and reproductive tube of adult treeshrew in its morphology and weight have marked seasonal changes.

成年树的睾丸、卵巢生殖管道的形态及重量有明显的季节变化。

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Like all Cestoid's each individual has male and female reproductive structures in its proglottid and can reproduce independently.

像所有的绦虫一样,每一条寄生虫的节片上都有生殖结构,能够独立生殖。

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Every animal has reproductive organs.

每种动物都有生殖器官。

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Objective: To study the changes of mast cells and effect by estrogen on reproductive duct of ovariotomy rats.

摘要目的探讨雌激素去卵巢大鼠生殖管道肥大细胞的影响。

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Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.

摘要塔形蹄螺为雌,其生殖系统主要由精巢输精管组成,没有交接器,也没有其他的附属腺

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4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.

涡虫是雌的,生殖系统适受精。单起源的吸虫(单殖纲)大多是鱼的外寄生虫。

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The reproductive isolation among sympatric Pedicularis species is influenced by the differences of pollinator behavior and floral form via ethological isolation and mechanical isolation.

另一方面是通过机械隔离机制,即由熊蜂不同的访花行为以及植物花部结构上的差异避免柱头与熊蜂携带的异种花粉接触。

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The relevant hormone determining results show: Prolactin (PRL), estradiol (E2) and progesterone (P) content in serum have regularly changed during reproductive and nonreproductive phase.

相关激素测定的结果表明:血清中垂泌乳素(PRL)、雌二醇(E2)孕酮(P)含量在生殖期非生殖期呈现规律变化。

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When he judges it is safe to do so, he inserts the end of a pedipalp into the female's reproductive opening and discharges the sperm it carries.

当它确定安全时,便将须肢末端插进母蜘蛛的生殖孔中并放出它所携带的精液。

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Conclusions The conservative surgery for adenomyoma can reduce symptom and raise pregnancy rate significantly, it can be accepted by young women who want to preserve their reproductive capacity.

结论子宫肌腺瘤保守手术可以明显地改善症状、增加妊娠几率,故能够被年轻、有生育要求的患者所接受。

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TED演讲(音频版) 2016年4月合集

Assisted reproductive technologies are things like in vitro fertilization.

这是一种类似体外受精的技术。

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傲骨贤妻 第1季

I lobbied for women's reproductive rights, in general.

我只是提倡妇女总体的生育权。

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CNN 10 学生英语 2017年11月合集

Biologists say they're encouraged by the amount of reproductive activity they're seeing this time around.

生物学家称这次珊瑚产卵让他们深受鼓舞。

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CNN 10 学生英语 2024年2月合集

I've been calling it, do it yourself reproductive.

我一直称之为DIY生殖

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科学60秒-科学美国人 2023年6月合集

Cancer, reproductive issues, growth and deformities, birth defects.

癌症、生殖问题、生长和畸形和先天缺陷。

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历年四级听力真题精听

The health indicators studied included disease prevention, reproductive health, death rates, and life expectancy.

研究的健指标病预防、生殖、死亡率和预期

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球慢速英语

They also cause reproductive problems - they make the animals unable to have babies.

它们还会导致生殖问题——它们使动物无法生育。

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VOA Special 2019年4月合集

But wildlife experts admit they know very little about the reproductive behavior of this species.

不过野生动物专家也承认,他们对这一水蛙物种的繁殖知之甚少。

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科学60秒 2018年11月合集

And researchers in Scandinavia have noticed that females started to change their reproductive strategies.

斯堪的纳维亚的研究人员注意到,雌性棕熊已经开始改变它们的繁殖策略。

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双语版 TED-Ed 演讲精选

Its stable temperature and high density help preserve and disperse reproductive cells.

稳定的温度和较高的密度有助于保存和分散生殖细胞。

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双语版 TED-Ed 演讲精选

As the reproductive larvae consume its insides, the soldiers kill the other parasitoids.

黄蜂的繁殖性幼虫会吃掉毛毛虫的身体,卫兵幼虫会杀死其他拟寄生物。

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解读恐龙(视频版)

There have been some extraordinary discoveries that show us real evidence of dinosaur reproductive behavior.

一些特别的发现为我们提供了恐龙繁育行为的确实证据。

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赖世雄高级美语

Recently, veterinarians have given male giant pandas Viagra, hoping to increase the animals' reproductive efficiency.

近来,有兽医给雄性熊猫服用药物,希望增加它们的繁殖力。

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科学60秒-科学美国人 2019年6月合集

And they had the same survival and reproductive success as all the other birds.

它们的存活率和繁殖成功率和其它所有同类一样。

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经济学人(汇总)

A preference for them is thus likely to enhance a man's reproductive success.

因此对他们的偏爱貌似能增强男性的繁衍成功率。

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经济学人(汇总)

Work is already under way to develop principles for editing reproductive cells.

编辑生殖细胞的原则制定工作已经开始。

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历年英语专业四级听力真题(专项版)

It does research on infectious diseases and reproductive health, and also provides services.

该组织研究传染病和生殖,并提供服务。

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医学英语轻松学

Teens need to know that free reproductive health and family planning services are available.

对于青少年,我们向他们提供免费生殖,计划生育服务。

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健身知识科普

And check out their headline the association between different beverages and male reproductive health.

看看他们的标题,不同的饮料和男性生殖之间的联系。

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Osmosis-防疫 COVID-19

Viruses are given a reproductive number, or R0, based on how quickly they spread.

根据病毒的传播速度,可以确定病毒的“再生数”R0(基本传染数)。

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