1) 3D four-directional
三维四向
1.
Bending experiments of 3D four-directional Carbon/Epoxy braided composites with different thicknesses are studied.
分别对编织角度为30和45度的三维四向碳环氧编织复合材料进行了不同厚度试件的弯曲实验,验证了材料的破坏模式、本构关系与试件几何尺寸的相关性。
3) D four directional braid fabric
三维四向织物
1.
Density changing mode and maximum and minimum density positions of typical tubular 3D four directional braid fabrics have been analysed to provide information for quality controll of the braid fabrics.
管状三维四向织物因形状的变化和不同截面编织时增减编织纱的不连续，织物编织密度存在不均。
4) Three Dimensions and Four Phases
三维四相
1.
The Establishment of the Mathematical and Numerical Compositional Model of Three Dimensions and Four Phases;
三维四相多组分数学模型和数值模型的建立
5) 3D/4D GIS
三维/四维GIS
6) 3D five-directional
三维五向
1.
Experimental analysis on yarns' patterns of 3D five-directional braided composites;
三维五向编织复合材料中纱线排列形态的实验分析
2.
The experimental results show that the yarn's arrangements are different in the different cross-sections of 3D five-directional braided composites,and they are changing periodically.
采用CCD显微摄像仪获取了树脂基三维五向编织复合材料的一系列截面图像,分析了编织复合材料内纱线的排列规律及其截面形状的变化。
3.
Based on the microstructure unit cell model established by the author,a model to predict the mechanical properties of 3D five-directional braided composites is proposed by using the finite element methods.
基于三维五向编织复合材料的细观结构胞元,采用细观有限元方法建立了材料宏观等效弹性性能的力学分析模型。
补充资料：四向
【四向】
（名数）一须陀洹向，旧译曰入流，又曰逆流，新译为预流向。为断见道十五心间三界见惑之位。是为向须陀洹果之因位，故曰向。二斯陀含向，译曰一来。因之新就译名谓之一来向。为断欲界九品修惑中前六品之位。向义同前。三阿那含向，旧译曰不来，新云不还向。为断欲界九品修惑中后三品之位。向义同前。四阿罗汉向，译曰不生，新旧皆就梵名谓之阿罗汉向。为断色界无色界一切修惑之位。(参见：子果)
（名数）一须陀洹向，旧译曰入流，又曰逆流，新译为预流向。为断见道十五心间三界见惑之位。是为向须陀洹果之因位，故曰向。二斯陀含向，译曰一来。因之新就译名谓之一来向。为断欲界九品修惑中前六品之位。向义同前。三阿那含向，旧译曰不来，新云不还向。为断欲界九品修惑中后三品之位。向义同前。四阿罗汉向，译曰不生，新旧皆就梵名谓之阿罗汉向。为断色界无色界一切修惑之位。(参见：子果)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条