zài / shí / yàn / zhōng / yán / jiū / rén / yuán / lì / yòng / hòu / yǎn / bì / cè / shì / shì / jué / jiā / gōng / sù / dù在实验中,研究人员利用后掩蔽测试视觉加工速度。In the experiment, the researchers used backward masking to test the speed of visual processing.