The carcass weight continuously increases with increase of population age.
不同年龄组繁殖力差异显著,胴体重随种群年龄的增长而不断增加,各年龄组胴体重与体重、体长、尾长均呈正相关性,且与体重相关性达极显著。
Sports leisure activity feature of different age group for urban residents;
城市居民不同年龄群体体育休闲活动特征透析
The MRI research for corpus callosum of normal Chinese human of differential-age group
正常人不同年龄群胼胝体的MRI研究
In today's society, there are many differences between the age groups.
在今日的社会，各个年龄群之间存在着很多差异。
Increasingly deep cleavages separate one age group from another.
愈来愈深的分歧使不同的年龄群互相分离。
Application of Wechsler Memory Scale in the Elderly;
WMS在不同年龄老年群体中的应用分析
domesticated bovine animals as a group regardless of sex or age.
不考虑性别和年龄的一群驯养牛。
The average age of majority of hair color users is 30-60 years.
染发主体人群的平均年龄为30-60岁。
Effect of Age Structure of Inbreeding and genetic Drift in animal Populations
年龄结构对群体近交遗传漂变的作用
Age structure is a foundational base to study the population dynamics.
年龄结构是研究种群动态的重要基础。
Heart Rate Variation in Normal Subjects among Various Age Groups;
不同年龄段人群在常态下的心率变化
Caries prevalence among residents of Hainan province
海南省城乡不同年龄段人群龋病调查
Analysis of normal eye anterior segments in different ages
不同年龄正常人群眼前节参数的分析
Research on Population Age of Eothenomys melanogaster
黑腹绒鼠(Eothenomys melanogaster)种群年龄的研究
Numerical Approximate Scheme for Stochastic Age-dependent Population Equations
一类与年龄相关的种群系统的数值解
ANALYSIS AND INVESTIGATION ON THE TRACE ELEMENT LEVELS AMONG DIFFERENT AGE GROUPS IN HAIKOU
海口市不同年龄组人群微量元素调查
STUDY ON THE DIVISION OF AGE GROUP AND THE AGE COMPOSITION OF POPULATION OF STRIPED HAMSTER IN BEIJING AREA
北京地区黑线仓鼠年龄鉴定及种群年龄组成的研究
The first people immunlized with inactivated vaccine against HFRS was 30～39 age group and the next peoples were 40～49 age and 20～29 age group;
30～39岁年龄组，其次是40～49岁和20～29岁年龄组是首选接种人群；
Comparative Research on Constitution Condition in the Age Bracket of 20 to 22
2000年20-22岁年龄段人群体质状况的比较研究
age-marital duration specific fertility rate
年龄婚龄龄别生育率