Pandasare threatened by a low reproduction rate.
熊猫的生存受到低生育率的威胁。
The reproduction rate of the aphid is influenced by nutrition.
蚜虫的繁殖率受到营养的影响。
He used Campbell hamsters, with a fast reproduction rate, divided into 4 groups.
他把具有快速繁殖率的坎贝尔仓鼠分为4组。
That is some time after its neighbour, Macau, which has a higher reproduction rate, but a much smaller population.
（与生育率更高、人口要少很多的邻居澳门相比，这一时间要推后一些）。
In this paper, the effect of lignosulfonates on bacteria reproduction rate in recirculated cooling (water) has been studied by plate counting method.
通过平皿计数法研究了不同类型木质素磺酸盐及其组分对循环冷却水中细菌繁殖速度的影响。
It is necessary to drop the infection efficiency by over 85% through protection measures for reducing the basic reproduction rate below the critical level.
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。
This wild boar and strong disease resistance, reproduction rate , the purity of moderate, suitable for commercialization of the development, are pure green.
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。
All parameters in the important concept-basic reproduction rate provide science evidence for malaria epidemiologic research and disease control and prevention.
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。
Campbell hamsters that have a fast reproduction rate were fed for two years with ordinary soya beans, which are widely used in agriculture and those contain different percentages of GM organisms.
用高繁殖率的坎贝尔仓鼠喂养两年的普通大豆，这些大豆广范用在农业生产中并且包含不同程度的转基因成分。
That's because very large animals have a slow rate of reproduction, so all you have to do is remove a few young females from the herd, and you can, fairly quickly, significantly reduce the population.
那是因为大型生物的繁殖速度十分缓慢，所以只要除去象群中的几头年轻的母象，它们的数量就会大幅的下降。
The study which compared the growth rate, success of reproduction and life span of stickleback fish, found that fish given a "binge then diet" food regime had a reduced life span of up to 25%.
这项研究通过对比刺鱼的生长速率，繁殖成功率和生命跨度，发现被喂养“狂吃然后减肥”的饮食节律的鱼寿命缩短达到了25%。
Any changes in habitat temperatures significantly influence their metabolism, growth rate, productivity, seasonal reproduction, and susceptibility to diseases and toxins.
栖息地温度的任何变化将显著影响其新陈代谢、生长速率、生产力、季节性繁殖和对疾病及毒素的易感性。
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.
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。
The growth rate of Setipinna taty was mainly relative to reproduction and prey strength in proper temperature and salt.
在适温、适盐范围内，黄鲫的生长速度主要与生殖和摄食强度有关。
It completes generation reproduction by feeding on banana leaves, the rate of its egg hatchability and larva survival is 79.6% and 61.3% respectively.
通过对香蕉叶的取食能够完成世代的繁殖，卵的孵化率为79.6%，幼虫的成活率为61.3%。
Objective To investigate the species, infection rate and rhythm of reproduction of the Lymnaeidae, intermediate host of Trichobilharzia in the Huaihe River System.
目的探讨淮河水系毛毕吸虫中间宿主椎实螺的种类、感染情况及繁殖节律。
Live pig sell rate is a important index of reflecting live pig reproduction level.
生猪出栏率是反映生猪再生产综合水平的一个重要指标。
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.
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。
The ability of its dissolving phosphate is 15.79 times as great as that of MB1. The rate of growth and reproduction was measured by direct counting, and was greater than that of MB1.
用磷钼比色法对该菌的解磷能力进行测定，结果为JF88菌株的解磷能力是美国菌肥商品生产菌种MB1的15.79倍，用直接记数法测得JF88菌株的生长繁殖速度超过MB1。
The influence of guarding in the nest areas on the successful rate of reproduction;
巢区领域防御对繁殖成功率的影响；
Secondly: Improving the quality of exhibitors, the participanting rate of enterprises of "Breeding , reproduction and pushing" integration and regional characteristics corporates was high.
二是提高参展质量，“育繁推”一体化企业、区域特色实力企业参会率较高。
Under the guidance of basic reproduction number, the negative effect can be alleviated and worms can be terminated by introducing a anti-virus system of high initial installation rate.
在基本再生数的指导下，通过提高防病毒系统预装率，能减弱机器更新带来的负面影响，并能有效抑制蠕虫的传播。
Under the guidance of basic reproduction number, the negative effect can be alleviated and worms can be terminated by introducing a anti-virus system of high initial installation rate.
在基本再生数的指导下，通过提高防病毒系统预装率，能减弱机器更新带来的负面影响，并能有效抑制蠕虫的传播。
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