年龄组成

年龄组成为2+～7+龄；

The age composition rages from 2 + to 7 + ;

宁波三山滩涂珠带拟蟹守螺种群的年龄组成与生长

Age Composition and Growth of Cerithidea Cingulatus in Ningbo Coast

脐血和不同年龄组成人红细胞聚集、变形能力的分析

Analysis on Erythrocyte Aggregation and Deformation in Cord Blood and Different Age of Adult

分析了渔获物的年龄组成。

Age composition of the catch was analysed .

界于两者之间为亚成年组。还探讨了小家鼠种群年龄组成的变化及其与种群密度的关系；

There are obvious relationships between the age composition of population and the population density .

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

Analysis of the age composition of spawning stock of yellow croaker by fuzzy mathematic method

三带喙库蚊越冬后发生规律及其生理年龄组成的研究

Study on the Early occurrences and Age-compositions of the Overwintered mesquite , Culex tritaeniorhynchus Giles

结果表明该水库的鱼类年龄组成趋于低龄化。

The result shows that the age distribution of fishes tends to low-age in the reservoir .

年龄组成为1-4龄，以1龄和2龄鱼占优势。

The age composition was 1 to 4 years , the dominant being 1 and 2 years .

从江豚的年龄组成看出，幼龄组（0&4龄）的比例较大，结构基本正常。

Age composition indicates that the immature group ( 0 & 4 years ) constitutes a large proportion .

城市车辆的年龄组成（简称车龄分布）是体现城市车辆老化程度和确定车辆报废年限的重要指标。

Vehicle age distribution ( VAD ) is an important factor reflecting the vehicle aging degree and determining the scrapping time limit .

太湖鱼类渔获量和优势种年龄组成的变化规律及下行效应分析

Analysis on the Changes of Fish Catches and Age Structure of Dominant Fish Population and Their Top-down Effects on Environment in Lake Taihu

因此我们可以在持续护理的过程中、在不同的年龄组成中、

So , we can change medicine across the continuum of care , across the ages from premies or unborn children to seniors ;

对鲤、鲫的年龄组成分析表明种群呈低龄化趋势。

Age composition analysis showed that low aged fishes of Cyprinus ( cprinus ) carpi and , Carassius auratus auratus were increasing in number .

社鼠、针毛鼠的种群年龄组成初步研究（啮齿目：鼠科）

A preliminary study of the age structure in the populations of the mountain rats , rattus Niviventer confucianus and Rattus fulvescens huang ( rodentia : Muridae )

两组患者在治疗前性别组成、年龄组成、病程长短均无差异，具有可比性。

There was no difference about the gender , age composition , duration of disease in both of the groups before the treatment , which is comparable .

并根据新竹产量与竹林密度和林分年龄组成的非线性相关关系，建立了新竹产量的预测模型。

The model of calculating new culm yield has also been established depending on the nonlinear relationship between new culm yield and bamboo stand density , culm age component .

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。

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 .

通过对银杉主要群落种群的数量统计和年龄组成的分析，编绘了银杉种群的特定时间生命表、存活曲线和年龄结构图。

The time specific life table , survivorship curve and age structure of Cathaya argyrophylla population were obtained through analysing the demography and age structures of its main coenopopulations .

结论影响种群数量变动的主要因素有种群年龄组成中幼年组的百分比、怀孕率、繁殖指数以及该地区子午沙鼠、三趾跳鼠和黑线仓鼠的数量。

Conclusion The important elements of population dynamics were the population age structure , the pregnant rate , the reproductive indices and the population number of other species ( little Chinese jird , northern three-toed jerboa and striped hamster ) .

广州地区中华按蚊生理年龄的组成

The physiological age of Anopheles HYRCANUS sinensis in the Canton area

湖区河蟹群体通常由三个年龄组组成。造成河蟹资源量年变化有三方面原因。

River crab population consist of three year - groups in lakes .

我们筛选了随机抽样的由所有年龄组组成的1063个受检者为调查对象。

We screened a random sample of1063 subjects of all age groups selected by clustering .

小黄鱼体长年龄换算组成表明其一龄鱼已占渔获的93.4%。

And the one age group accounts for93.41 % after the calculation from body length to age group .

研究大陆岩石圈地幔形成与演化的主要途径是利用岩石地球化学探针研究幔源橄榄岩的年龄、组成及其演化。

The main way for detecting the formation and evolution of sub-continental lithospheric mantle ( SCLM ) is to research the age , composition and evolution of mantle-derived peridotite xenoliths by petrological-geochemical probe .

异鳔鳅鮀渔获物由5个年龄组组成，1-3龄个体合计约占90%。

The commercial catches consisted of five age groups ( age 1 to age 5 ) and individuals of age 1 to 3 groups were dominant ( occupying more than 90 % of total capture ) .

北京地区儿童性别年龄别身体组成成分检测的意义

Study on Age-and Sex-Specific Body Composition of Children in Beijing Area

目的应用电阻抗法了解北京地区正常儿童性别年龄别身体组成成分。

Objective To explore the age-and sex-specific body composition of normal children in Beijing area .

各组年龄、性别组成相匹配。

The age and sex were matched in UAP ( including subgroup ) and the control group .

结果生物透析吸附系统组和血浆置换组的性别组成、平均年龄及疾病组成无差异；

Results No differences in sex distinction , mean age and disease distribution were found between the biological DT group and plasma exchange group .