1.
Age structure of catch from 1990 s was only 1-4 while that of 1960 s was 1-7. The reproductive habit of hairtail was also changed a lot.
带鱼的年龄组成序列缩短，由六十年代初期的1～7龄组缩为九十年代初的1～4龄组。
2.
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
3.
Physique Current Situation Investigation of StudentsIn College, Fujian Province and Our Country;
福建省高校学生与同年龄组成年人体质现状的比较研究
4.
ANALYSIS OF THE AGE COMPOSITION OF SPAWNING STOCK OF YELLOW CROAKER BY FUZZY MATHEMATIC METHOD
应用模糊数学方法对厦门近海大黄鱼生殖群体渔获年龄组成低龄化的分析
5.
Study on the Early occurrences and Age-compositions of the Overwintered mesquite, Culex tritaeniorhynchus Giles
三带喙库蚊越冬后发生规律及其生理年龄组成的研究
6.
They divided themselves into three groups according to age.
他们按年龄分成三组。
7.
Intended age group of market, e.g., teenage, mature etc.
按市场年龄组划分,即：青少年的、成年的等。
8.
Among them, 35~age group was the maximum of death age class, constituting 29.1% of constitution of causes of death.
死亡年龄组以35岁的年龄段为最高,占死因构成的29.1%。
9.
During the festival, unmarried girls joined a foot race in three age groups.
活动期间，未婚的女孩分成3个年龄组参加赛跑。
10.
Founded in1987, it comprises over20 performers with hearing and visual impairment or physical disability.
艺术团由20名年龄介于18至50岁的演员组成。
11.
He will reach his majority next year.
明年他将到成年年龄。
12.
Having attained full legal age.
成年的达到法定年龄的
13.
The age of majority is eighteen.
成年的法定年龄是18岁.
14.
under age;of age.
未成年，未达到法定年龄；成年，达到法定年龄
15.
age-group(also age-bracket)n.(people in a)period of life between two(often specified)ages
某组年龄范围（内的人们）
16.
the division of children into groups according to age
根据孩子们的年龄分组
17.
population by age group
按年龄分组的人口数
18.
sex ratio by age groups
按年龄分组的性比例