中国将首次在轨实施国内啮齿类哺乳动物空间科学实验，选用两雌两雄4只小鼠进行在轨饲养，重点研究失重、密闭等空间条件对小鼠行为模式的影响

Core Insights - China will conduct its first domestic space science experiment involving rodent mammals in orbit, utilizing four mice (two males and two females) to study the effects of microgravity and confined space on their behavior patterns [1] Group 1 - The experiment aims to investigate the impact of space conditions on the behavior of mice [1] - The selection of both male and female mice indicates a comprehensive approach to understanding behavioral differences [1]