growth ring的例句大全

Preliminary exploration of the micro-hardness of wood& analysis of wood quality of the growth ring 3

木材显微硬度的初步探索&生长轮材质分析之三

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Types of Growth Ring and Vessel Arrangment of Broad Leaved woods

论阔叶树材的生长轮类型和导管排列

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There are significant effects for thinning intensity on growth ring width, late wood percentage, growth ring density and hardness of Fraxinus mandshurica.

对生长轮宽度、晚材率、生长轮密度、木材硬度有显著影响；

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Study on Wood Microfibril Angle and the Correlation Models with Growth Ring Density of Ginkgo

银杏木材微纤丝角及其与生长轮密度相关模型的建立

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The bicycle by Zhang Pengye rotates the growth ring and vicissitudes.

张鹏野笔下的自行车，转动着时代的年轮、岁月的沧桑。

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Forecasting Model of Density of Wood Growth Ring Based on Neural Network

基于神经网络的木材生长轮密度预测模型

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A study on the measurement of density of wood growth ring by soft X-ray

软X-射线法测定木材生长轮密度的研究

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Analysis on material composition of growth ring in urban water distribution network

城市管网生长环物质组成研究分析

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The Research on Growth Ring's Edge Detection Algorithm Based Image Fusion

基于图像融合的年轮细胞边缘检测算法研究

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Trace of Growth Ring, Exhibition of Beijing Youth Art Society;

《年轮的遗痕》参加北京青年画会首届会员作品展（中国美术馆）；

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Study on the prediction for the wood quality of growth ring of Korean pine

红松林木生长轮材质预测的研究

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Analysis of wood quality of the growth ring ( 1) and determination of wood density

关于木材密度测定&生长轮材质分析之一

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The existence of growth ring was a potential threat to the safety of water supply.

生长环的存在是安全供水的潜在威胁。

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Onthe basis of data obtained, we analyzed the variation of wood growth ring.

根据测得的数据，分析了木材生长轮材性变异规律。

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Preliminary study on the correlation of annual growth ring width of Beijing poplar climatic factors

北京杨年轮宽度与气候因子相关性初探

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Studies on the variation of the growth ring wood quality of Cunninghamia lanceolata

杉木生长轮材质变异的研究

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The distribution of the moisture content of each growth ring in wood using X-ray densitometry

用X射线密度计测定木材年轮的含水率分布

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A long-term forecast method of timber growth ring density based on process neural network was proposed in this paper.

提出一种基于过程神经网络的木材生长轮密度长期预测方法。

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Effects of Variance Coefficient of Growth Ring Width on Sound Vibration Parameters of Picea Wood

云杉属木材生长轮宽度变异系数对声振动参数的影响

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Response of carbon isotope composition of Chinese red pine annual growth ring cellulose to East China temperature variations

中国红松年轮纤维素碳同位素组成对中国东部气温变化的响应

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