第一节 雄性动物生殖机能的发育和性行为 Section 1 Development of Male Reproductive Function and Sexual Behavior 第二节 精子的发生和精子的形态 Section 2 Spermatogenesis and Structure of Sperm
假设:科学技术进步、工业化、经济增长是发展目标 欧美发展模式是可借鉴的 Assumption: development objectives-technology progress, industrialization, economic growth and models in Europe and America could be used as references