Sino-Islamic linguistics comprises the study of the spoken and written traditions of the Chinese-speaking Muslims Huí 回 (Huízú 回族, Huíhuí mínzú 回回民族). Islam and Arabic were introduced into China by land in the northwest and by sea in the southeast beginning from the Táng Dynasty (618–907). Under the Yuán (1271–1368), many people from the countries subjugated by the Mongols were involuntarily or voluntarily brought into the territory of China and occupied there various military and administrative positions. In the o…