Highly dispersed Ni nanoparticles were prepared by a method of in situ reduction from the layered double hydroxide/carbon composite precursor.是什么意思_Highly dispersed Ni nanoparticles were prepared by a method of in situ reduction from the layered double hydroxide/carbon composite precursor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句