英汉双语例句-生物医药大词典

Population dynamics The study of the factors influencing the fluctuations in numbers in a population or of its gene pool: the factors affecting birth and morality rates, immigration and emigration, and reproductive potential (for example, seed size, dispe

中文意思：
种群动态：主要研究影响种群及其基因库数量波动因素：这些因素影响种群内出生率、死亡率、迁入及迁出、生殖潜力（如种子的大小、传播以及休眠）。

以下为相关句子列表(点击查看，可以看对应的解释）：

	Population Carrying Capacity Belongs To Social Category Or Natural Categoey?			人口容量属于社会范畴还是自然范畴?
	Population Index – covers all fields of interest to demographers, including fertility, mortality, population size and growth, migration, muptiality and the family, and research methodology.			人口索引向人口学家，包含死亡人数，人口数量和成长，迁移，结婚率和家庭的研究方法覆盖所有的使人感兴趣的领域。
	Population Reference Bureau –dedicated to providing timely and objective information on U.S. and international population trends.			人品参考资料局—关于美国的信息和国际人口倾向。
	Population analysts say the country faces challenges, to ensure tomorrow's children have the services they need, from education to health care, that the economy stays healthy, and that we preserve the environment for future generations.			人口分析家说，美国面临许多挑战，要确保明天的儿童享受他们需要的教育和医疗保健等各种服务，要保持经济的健康发展，要为后代子孙保护好环境。
	Population and family planning work was further strengthened. Fresh progress was made in the areas of land and resources administration, environmental protection, forestry development and ecological improvement.			人口和计划生育工作进一步加强。国土资源管理、环境保护、林业发展和生态建设等方面都做了大量工作，取得新成效。
	Population dynamics The study of the factors influencing the fluctuations in numbers in a population or of its gene pool: the factors affecting birth and morality rates, immigration and emigration, and reproductive potential (for example, seed size, dispe			种群动态：主要研究影响种群及其基因库数量波动因素：这些因素影响种群内出生率、死亡率、迁入及迁出、生殖潜力（如种子的大小、传播以及休眠）。
	Population growth has implications to everything, from housing and public services to pensions.			人口增长意味着一切，从住房到公共服务养老金。
	Population growth is a global phenomenon, and others worry about strains on the natural environment.			人口增长是全球现象，但是有人担心，人口增长给自然环境带来负担。
	Population increase is also a major factor behind China's relative slowness in establishing universal secondary school education.			人口增长也是中国普及中等教育比较缓慢的一个重要原因.
	Population of the Chinese sturgeon migrates to Yangtze River every year has decreased from about 2176 individuals shortly after Ge Zhou damming to 1000 or so at present.			每年洄游至长江的中华鲟产卵群体数量，已从葛洲坝截流初期的约2176尾下降到目前的1000尾左右。
	Population problem is a big problem.			人口问题是个大问题。