reproduction rate造句

net reproduction rate

The reproduction rate of the aphid is influenced by nutrition.

The fieldwork showed that seeds reproduction was the main approach of natural species renewal. But its reproduction rate was extremely low, only with 0.52%germination rate.

That is some time after its neighbour, Macau, which has a higher reproduction rate, but a much smaller population.

All parameters in the important concept-basic reproduction rate provide science evidence for malaria epidemiologic research and disease control and prevention.

However, reproduction rates of some insects such as aphids are influenced by nutrition.

Maintaining populations of target species to enable their natural role in ecosystems and to enable sustainable reproduction rates.