yán / jiū / rén / yuán / tōng / guò / shí / yàn / fēn / xī / le / bù / tóng / xì / bāo / zhōng / de / xì / bāo / sè / sù研究人员通过实验分析了不同细胞中的细胞色素。The researchers analyzed cytochrome in different cells through experiments.