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1·Pandasare threatened by a low reproduction rate.

熊猫的生存受到低生育率的威胁。

2·The reproduction rate of the aphid is influenced by nutrition.

蚜虫的繁殖率受到营养的影响。

3·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。

4·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）。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。