英语翻译

问题描述:

英语翻译
they are among the compounds which when prepared in a size range of from about 0.2 to about 0.4 microns diffuse light as well as or better than any other known compound

他们在准备好的0.2-0.4微米的混合物中所散发出来的微光能与知名的混合物一样甚至比它们更好