蚜虫的繁殖率受到营养的影响。
The reproduction rate of the aphid is influenced by nutrition.
高繁殖率有助于努纳免遭灭绝。
Their high reproductive rate helps the nunas avoid extinction.
许多深海鲨鱼是濒危物种，而且这个种群的繁殖率极低。
The deepwater sharks targeted have extremely low reproductive rates, and many are threatened species.
他把具有快速繁殖率的坎贝尔仓鼠分为4组。
He used Campbell hamsters, with a fast reproduction rate, divided into 4 groups.
略带灰色且性情安静的欧洲蜜蜂，繁殖率高。
Grayish quiet-dispositioned highly productive European honeybee.
这一点与他们极低的成长速度和繁殖率相吻合。
This fits with their extremely slow growth and reproduction rates.
为什么花时间和精力去做不能提高繁殖率的事情？
Why expend time and energy in activities that fail to increase reproductive success?
当然，如果绝育了，你就不用担心兔子的高繁殖率。
And of course, if neutered, you will not have to worry about them "breeding like rabbits."
然而，一些昆虫的繁殖率，如蚜虫等是受营养影响的。
However, reproduction rates of some insects such as aphids are influenced by nutrition.
1995年，对长白山花尾榛鸡的繁殖率进行了研究。
The reproductive success of Hazel grouse (Bonasa bonasia) was studied at Changbai Mountain from 1986 to 1995.
个体为什么要耗费时间和精力，去从事无法提高种群繁殖率的事情？
Why would individuals expend time and energy in activities that fail to increase reproductive success?
目的比较群体产卵法与单管产卵法对提高嗜人按蚊繁殖率的效果。
Objective To compare the effects of colony oviposition and single tube oviposition for improving the reproductive rate of Anopheles anthropophagus .
上人：现在人口繁殖率虽高，但你怎知死去的众生不比生存的人多？
The Venerable Master: Although the current birth rate is high, how do you know that living beings that are dead doesn't outnumber people who are alive?
它们繁殖率较高，每两年可生育4只虎崽，因此如果得到庇护，老虎数目就会回升。
They have relatively high reproductive rates, producing as many as four cubs every couple of years, so their populations can rebound if sheltered.
此野猪抗病能力强、繁殖率高、纯度适中、适合商品化开发，是纯正的绿色食品。
This wild boar and strong disease resistance, reproduction rate , the purity of moderate, suitable for commercialization of the development, are pure green.
研究人员写道：“寻找和搜集的改进'最终可能解释为什么人类的繁殖率不一样'”。
Improvements in hunting and gathering "may ultimately explain why human reproductive rates diverged," the researchers wrote.
掌握绵羊多胎性机理和影响多胎性的因素对于提高绵羊繁殖率和经济效益具有重要意义。
Researches on the mechanism and factors of sheep prolificacy are helpful to improve sheep reproduction and increase economic efficiency.
在阴雨较少的情况下花期温度是影响繁殖率高低的主导因素，其次为日照时数和平均风速。
Under the conditions of less rainy days during the blooming period, the temperature is the main factor influencing the reproductive rate, then is the duration of day and the velocity of wind.
了解卵泡发育动态及其调控机理对于提高动物繁殖率和控制人类生育，都具有重要的意义。
A better understanding of follicular dynamics and its regulation is of great importance both for the improvement of animal reproductive productivity and birth control in human beings.
家蚕是蛋白质高效转化生物，具有周期短、繁殖率高、后代个体数多、能大量饲养等优点。
Silkworm, Bpmbyx mori, an organism which can transform protein efficiently, has the advantages of short life circle, high rate of reproduction and mass raising and so on.
根据豫西脂尾羊排卵及胚胎生长发育特点，就如何提高其繁殖率问题提出了具体建议和措施。
According to the character of the ovulation and embryo development in Yuxi Short Thick Dock sheep, several specific proposals and measures for increasing the sheep fertility have been put forward.
防护措施必须使感染效率下降85 %以上，才能使医院内传播的基本繁殖率降至临界值以下。
It is necessary to drop the infection efficiency by over 85% through protection measures for reducing the basic reproduction rate below the critical level.
尽管目前棕颈鹭没有被列入濒危名单，但由于寿命较长，繁殖率较低，它们的种群数量亦面临着严重的威胁。
Although the birds aren't listed as endangered, threats to their populations can pose serious risks, because the species has a long life span and a low reproductive rate.
他们认为应当供奉附在兔子身上的守护神，把它作为生殖的象征，代表着高繁殖率，健康和繁荣。
They believed that the numina intended for rabbits to be put upon pedestals and revered as symbols of procreation, reproduction with a high turnover rate, of health, and of prosperity.
大熊猫寻找伴侣时非常挑剔，野生雌性大熊猫每隔两三年生一只幼仔，圈养大熊猫的繁殖率就更低了。
Pandas are notoriously fussy when it comes to finding mates. Females in the wild normally have a cub once every two to three years, and the fertility of captive giant pandas is even lower.
其基本繁殖率这一重要概念中的各项参数，为疟疾的流行病学调查和制订预防、控制措施提供了依据。
All parameters in the important concept-basic reproduction rate provide science evidence for malaria epidemiologic research and disease control and prevention.
本文对如何提高规模养猪场母猪的年繁殖率进行认真的分析，并提出了一些切合实际的生产技术措施。
The paper seriously analyze how to enhance sows propagation ration of per year in scale raising-site, and pose some measures practically.
本文对如何提高规模养猪场母猪的年繁殖率进行认真的分析，并提出了一些切合实际的生产技术措施。
The paper seriously analyze how to enhance sows propagation ration of per year in scale raising-site, and pose some measures practically.
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