1.
The positive rate in the age group between 40 to 49 years old was much higher than that in other groups with the positive rate of 4.01%.
不同年龄组中以40～49岁年龄组携带率最高为4.01%;
2.
In male and female, the peak age of death started at 30 years group.
死亡高峰年龄男女性均始于30～岁年龄组。
3.
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。
4.
Kids from parturition to 180 days of age were divided into ten age groups, each consisted of three male and three female kids.
采用初生至180日龄的羔羊,分十个年龄组.
5.
The prevalence of 4 years old group was the highest;
屈光不正有年龄特点(4岁组患病率高于其他年龄组);
6.
Round hole was more commonly seen in the patients less than 40 years old and horseshoe shaped tears were more often found in the age group of over 40 years old.
圆孔多见于 40岁以下年龄组 ,马蹄形裂孔多见于 40岁以上年龄组。
7.
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；
8.
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。
9.
cumulative average gross fertility ratios by age groups
按年龄组统计的累积平均总生育率
10.
Education should not be restricted to any one specific age group
教育不应限制在任何特定的年龄组上
11.
Education shall not is restricted to any one specific age group.
教育不应限制在任何特定的年龄组上。
12.
The number among 20-39 age group was the largest , being 81. 88 % .
20～39岁 年龄组病例数最多，占81． 88％。
13.
The highest,10.2% was among the 40～50 age group.
40～50岁的年龄组最高,达10.2%。
14.
The prevalence rate of fatty liver in the people aged from 50 to 59 was the highest by 12.14%.
50～59岁年龄组患病率最高为12.14%。
15.
The incidence become lower(22.8%)in the age of 56～65 yeara.
56～65岁年龄组有下降趋势,占22.8% 。
16.
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）
17.
They divided themselves into three groups according to age.
他们按年龄分成三组。
18.
the division of children into groups according to age
根据孩子们的年龄分组