zài / zhè / xiàng / yán / jiū / zhōng / yán / jiū / rén / yuán / bǐ / jiào / le / bù / tóng / huàn / zhě / de / jiǎ / xíng / qiú / dàn / bái / shuǐ / píng在这项研究中,研究人员比较了不同患者的甲型球蛋白水平。In this study, the researchers compared alpha globulin levels in different patients.