在4月27日，美国、加拿大、欧洲以及日本承诺将通过合作使动物替代实验有实质性进展。
On April 27th America, Canada, Europe and Japan promised to co-operate on validating alternatives to animal testing.
通过教学实验，对“分层合作学习法”在跨栏跑教学中的设计与运用进行了理论与实践探索。
Through the teaching experiment, the paper studies the basic theory of the design and practice of the study style of different categorization and cooperation in hurdle teaching.
因此，世界上“绝对”公平是不存在的。除非是在猴子之间：曾经在实验室证明，两只高度进化的灵长类通过使用工具而合作获取了果实并平分食物。
Therefore, there is no "absolute" justice in the world, except those happened in monkeys improved in lab where two highly evolved Primates Shared their nuts by helping each other in using tools.
应用推荐