I think there is an age limit, but I'd have to check.

All 4 populations have opposite pyramid age structure, and few coning individuals, which is still decreasing.

所有四个野生种群的年龄结构均呈倒金字塔型,开花个体数少, 并且还在不断减少.

For example the user age structure that the net swims is very young also.

例如网游的用户年龄结构也很年轻.

Meanwhile, points for attention that whether the age structure is reasonable under intensive cultivation.

另外, 值得深思的是,在高度集约经营条件下,原有的竹龄结构模式是否还适应等.

In this paper we formulate an epidemic model with chronological age and infectious age structure.

本文根据流行病的传染过程和机理建立了具有年龄和病程结构的流行病模型.

The population age structure is more reasonable, the existing reserve of human resources.

人口年龄结构较为合理, 现有、后备人力资源充足.

The age structure of most dominant species community is declining, and the community species composition unstable.

样地内多数优势种群的年龄结构为衰退型, 群落的种类组成不稳定.

The 3 rd, want appropriate to solve the problem of worker age structure with overall this locality.

第三, 要妥善解决本地总体的职工年龄结构问题.

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.

In this paper , we study a nonautonomous SIS model with age structure.

研究具有年龄结构的非自治的SIS模型.

Age structure may also be represented by a survivorship curve.

存活曲线也可以反映年龄结构.

Age old wisdoms makes a timely return as humanity fast approaches it's epoch.

古老的智慧使及时返回人类快速方法的时代.

ALSO REMEMBER the age old boxing adage: LEAD WITH SPEED and FOLLOW WITH POWER!

同样的,记住那句古老的拳击格言: 快拳开路,重拳跟上!

The antique in my home is age old.

家里的这件古物已年代久远.

It's their faith that they will age old with each other till death.

他们的信念是一起变老,直到死亡.

An aged man can not walk very fast.

上了年纪的人,不能走得很快.

He is aged, but his memory is still good.

他已年老, 然而记忆力还好.

The plaintiff is aged 30 and has a normal expectation of life.

原告30岁,预期有正常的寿命.

He is an aged man.

他是一个老年男子.

Our family adopted a child aged eight.

我们家领养了一个八岁的孩子.

Bethan's round, rosy face seemed hardly to have aged at all.

贝唐红扑扑的圆脸看起来似乎一点也没有变老。