second growth wood

The paper summarizes the price change trend of small caliber Chinese fir in Nanping city for recent 19 years.

同时,依据三次指数平滑模型和灰色系统理论GM(1,1)模型,分析了杉木小径材木材价格变动趋势。

Consideration and Suggestion on Solving Timber Shortage Problems in China

解决中国木材短缺问题的思考和建议

The exploitation and application of material could be propitious to make up the lack for paper material.

开发和应用非木材是解决我国造纸纤维原料短缺的有效途径。

First measure (it) up, then cut the timber to the correct length.

先把尺寸量好, 再把木材锯成所需长短.

tall evergreen timber tree of western North America having resinous wood and short needles.

北美西部高大的常绿木材，木质含树脂，短针叶。

Our factory is stuck for raw material, and has to cease production.

我们工厂原材料短缺，不得不停产。

Raw and semi-finished materials and resource products which are in short supply in China

国内短缺原材料和资源性产品

A poor harvest has blamed for the shortage of dal in India.

这次印度木豆的短缺归结于今年不好的收成。

We use Scientific-management system for material shortage and its control.

我们应用科学管理体系处理材料短缺及其调节。

Fir or pine wood.

冷杉木材或松木木材

Research on Identification Methods of Wood Surface Defects Based on Texture Features;

基于纹理特征的木材表面缺陷识别方法的研究

Study on Wood Defects Testing Based on Artificial Neural Network;

基于人工神经网络的木材缺陷检测研究

Research on Wood Surface Defect Detection Based on Fractal Theory;

基于分形理论木材表面缺陷识别的研究

Ultrasonic Quantitative Testing of Wood Hole-Defect Based on Energy Method;

基于能量法木材孔洞缺陷的超声定量检测研究

Research on Wood Surface Defect Detection Based on Computer Vision;

基于计算机视觉木材表面缺陷检测方法研究

Diagnoses internal defects of wood with stress wave tomography

三种应力波断层成像诊断木材内部缺陷

Wood Defect Image Segmentation Based on HSI Three Independent Characters

基于HSI三分量独立性木材缺陷图像分割

Pattern Recognition of Wood Material Defects Using Wavelet and Artificial Neural Network

基于小波神经网络的木质材料缺陷模式识别

Study on Types and Distribution of Visual Characteristics about Chinese Fir Dimension Lumbers

杉木目测分等规格材缺陷类型及分布的研究