Yán / jiū / rén / yuán / zài / fǎng / shè / kōng / jiān / zhōng / tǎo / lùn / diǎn / hé / zhí / xiàn / de / guān / xì研究人员在仿射空间中讨论点和直线的关系。The researchers discussed the relationship between points and lines in affine space.