definite proportion造句怎么写
- 造句
- 关注:1.4W次
The second was the law of definite proportions.
The results showed that tested pigs developed as well as control and a definite proportion of human cells existed in peripheral blood of chimeric pig on day 60 after transplantation.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/zh-my/sentence/kz54ek.html