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- The 1st age class rhizome emerges at mid of growing season. 1龄根茎是在生长季中期开始形成的。
- At this age, the biomass of the age class is maximum. 在这个年龄，年龄组的生物量是最大的。
- Grazing disturbance has an adverse effect on the nutrient storage within rhizomes of all age classes. 放牧扰动对硬拂子茅无性系种群各龄根茎的养分贮藏均有不利影响。
- The mean per ramet productivity of older age classes was the most in different growth stages. 不同生育期宽叶篙无性系种群单个分株生产力均以老龄级最大。
- The different age classes of the stock are modelled as cohorts classified by use and by type (urban/rural). 按照用途和类别（城市/乡村）分别建立模型，对存量的不同年限等级进行分析。
- For different age classes, the biomass increased fast for age 1, and the biomass growth got slower for age 2 due to its higher mortality. 对于不同年龄段,1龄生物量增长最快,2龄由于死亡率提高,使生物量增长缓慢。
- 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%25。
- The dry matter storage and water soluble sugar content in older age class rhizomes increased with year. 高龄级根茎的干物质贮量和水溶糖含量有一个逐年累积的增加过程。
- The model allows for a population with multiple sex-age classes, different number of age class between sires and dams, and varied genetic contribution of the age class. 该模型允许群体有多个性别年龄组、公母畜间有不同的年龄组数、各年龄组有不同的遗传贡献。
- The dry matter storage and water soluble sugar content in P. communis rhizomes increased in quadratic with increasing age class. 随着龄级的增加，芦苇种群根茎的干物质贮量和水溶糖含量均呈二次曲线变化。
- The capacity for contribution of the modules of every age class of population was 2nd > 1st >3rd > 4th in terms of dry matter production in the milk stage. 乳熟期各龄级物质生产对种群的贡献力为2龄级>1龄级>3龄级>4龄级。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Modules of vegetative ramets of the clonal population consisted of four age classes, while modules of reproductive ramets consisted of three age classes in the flowering and milk stages. 结果表明，在花期和乳熟期，宽叶篙营养分株构件均由4个龄级组成，生殖分株构件均由3个龄级组成。
- Under the GFDL and UKMO scenarios with temperature increasing by a larger margin，the entire forest of all age classes did not adapt to the rapid changes of climate and degenerated. 在GFDL、UKMO温度大幅度升高情景下，小兴安岭森林不能适应生态环境的急剧改变，存在全部衰退的可能；
- A dynamic selection rule was developed that maximizes the annual genetic response while constraining the rate of inbreeding per year to a predefined value in a population with overlapping generations and different number of age class between sire and dam. 一种扩展的动态选择规则能够在公母畜间有不同的年龄组数目的世代重叠群体内约束年近交速率为一个预定义值,逐年最大化遗传反应。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- 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。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
