The results of N_2 adsorption/desorption showed that the samples prepared by CAC-OTD method possessed relatively large specific surface area and uniform pore diameter distribution (3.4-4.4 nm).是什么意思_The results of N_2 adsorption/desorption showed that the samples prepared by CAC-OTD method possessed relatively large specific surface area and uniform pore diameter distribution (3.4-4.4 nm).在线翻译_英语_读音_用法_例句