research kit研究用药盒
researchn.研究;调查v.研究;调查
research on teaching and practice教学与实践研究
Research on White Portland Cement白色硅酸盐水泥试验研究
research- oriented universities研究型大学
Research of Lead-free Tin Alloy无铅焊锡的研究
Research and Advanced Development研究和高级发展
RESEARCHES ON CAMBRIAN BRADORIIDS寒武纪高肌虫的研究
Research-oriented teaching mode以研究为导向
Research on Fermented Beef Sausage牛肉发酵香肠的研究