age structure

听听怎么读

英 [eidʒ ˈstrʌktʃə]

美 [edʒ ˈstrʌktʃɚ]

是什么意思

释义

年龄构成；

学习怎么用

双语例句

At first the author expatiates on meaning of appraising gender and age, thencalculating the obituary age and average life-span.
计算了姜家梁新石器时代人群的死亡年龄分布和平均寿命。

权威例句

Age Structure Models of Balsam Fir and Eastern Hemlock
Age Structure Dynamics in Asia and Dependence on Foreign Capital
Age structure, residents, and transients of Miocene rodent communities.
Age Structure and Disturbance History of a Southern Appalachian Virgin Forest
RESTORATION OF PRESETTLEMENT AGE STRUCTURE OF AN ARIZONA PONDEROSA PINE FOREST
Selection for Optimal Life Histories: The Effects of Age Structure
Model fertility schedules: variations in the age structure of childbearing in human populations
Fisheries Sustainability via Protection of Age Structure and Spatial Distribution of Fish Populations
Disturbance and climatic influences on age structure of ponderosa pine at the pine/grassland ecotone, Colorado Front Range
Taylor & Francis Online :: Fisheries Sustainability via Protection of Age Structure and Spatial Distribution of Fish Populations - F...

同义词

age composition

a开头的单词