The reproduction rate of the aphid is influenced by nutrition.

蚜虫的繁殖率受到营养的影响。

youdao

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。

youdao

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）。

youdao

The animals are also known for a low rate of reproduction.

VOA: special.2010.01.19

As approximately 66% of the Mekong fish species are migratory their passage will be blocked by the dam in its current design which will seriously reduce the reproduction rate and overall fish populations downstream will be reduced.

CNN: STORY HIGHLIGHTS

Although their higher rate of reproduction favours them at first, they easily become extinct when faced with a hazard to which all their members are genetically susceptible.

ECONOMIST: The longest ��headache�� ever

Dr Mohamed Taranissi is director of the Assisted Reproduction and Gynaecological Centre in London - which has a live birth rate, as opposed to pregnancy rate of 40% - compared with a national average of 17 to 19%.

BBC: IVF 'fastest way to get pregnant'