人口动态统计
vital statistics
人口统计学
demography
demography
demography
商业统计学
business statistics
生命统计学
vital statistics
生物统计学
biological statistics; biostatistics
biometrics; biometry
生物统计学家
blometrician
生态
zoology
生态的
ecological
生态工程
ecoengineering
生态会计学
ecological accounting
生态平衡
ecological equilibrium
生态失调
ecological disturbance
生态系
ecosystem
生态系统
ecosystem
ecological system
生态效应
ecological effect
生态型
ecotype
生态学
bionomics; bionomy; ecological; ecology
ecology
bio-ecology; ecology; mesology; oecology
ecology
生态学的
ecological
ecological
生态灾祸
ecological disaster
生物地球化学生态学
biogeochemical ecology