It recognises that many experiments still have to be done on animals and is aiming for Reduction, Refinement and Replacement of animals in experiments.

它认识到许多实验仍然不得不使用动物，该基金会旨在减少使用动物，改良使用动物，甚至替代动物。

youdao

This can lead to replacement of some native animals.

这有可能导致更换一些本土动物。

youdao

The replacement of primary and permanent teeth is an important part that belongs to the growth and development of animals' teeth and maxillofacial region.

乳恒牙替换是动物牙齿及颌面部生长发育的重要阶段，包含有乳牙根、牙槽骨的吸收、恒牙胚的发育和恒牙萌出等一系列复杂的生理过程。

youdao

"So when we observe these animals with the replacement joints, what we found was there was regeneration of the entire joint that allowed the animals to resume weight-bearing and locomotion."

VOA: standard.2010.08.11

The Fund for the Replacement of Animals in Medical Experiments (Frame) which wants to moderate some of the uses and methods employed in labs has questioned the merits of the project with the UK's Animal Procedures Committee.

BBC: Mice mutants probe human genome

The replacement of draft animals by machines released about 25% more land for growing food for human consumption.

ECONOMIST: The story of man's staple food