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age class structure 添加释义

网络释义英英释义

  龄级结构

... age class ==> 同龄级木,龄级 age class structure ==> 龄级结构 age coating ==> 老化变黑层 ...

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  年龄级结构

... Age-structure 年龄结构 ; 年龄结构 age class structure 龄级结构 ; 年龄级结构 ; 林龄结构 class age-structure 类年龄结构 ...

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短语

age-class structure 年龄结构

Dynamic of age-class structure 龄级结构动态

age and size class structure 光子

class age-structure 类年龄结构

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Age class structure

  • Age class structure in fisheries and wildlife management is a part of population assessment. Age can be determined by counting growth rings in fish scales, otoliths, cross-sections of fin spines for species with thick spines such as triggerfish, or teeth for a few species.

以上来源于: Wikipedia

双语例句权威例句

  • But stand volume descents to a great extent, age class and stand density structure are maladjusted badly, and the number of stand growth is low.

    蓄积量大幅下降林分密度结构严重失调林分生长量偏低

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  • The result shows that the Tree class structure replacing the age structure is suitable for studying the structure and dynamics of Castanopsis fargesii population.

    结果表明,应用立木结构代替年龄结构研究栲树种群结构动态特征适用

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  • This paper discussed a class of nonlinear semi-discrete age-structure model of forest evolution system, and we gave the several sufficiency conditions for system stability.

    讨论森林发展系统一类非线性林龄面积结构离散模型给出非线性半离散系统稳定一些充分条件

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