The optimum fiber proportion of bamboo's fiber reinforced polypropylene composite could be analyzed accurately by optimum design method of principal component analysis.
用多元统计分析中的主成分分析法，合理地确定竹纤维增强聚丙烯复合材料多项性能指标兼优的最佳纤维含量。
Applications of optical fiber delay lines in radio electronic equipment are described. A number of typical optical fiber delay lines and their principal properties are analysed.
本文简述了光纤延迟线在无线电电子设备中的应用概况，分析了几种典型的光纤延迟线及其基本特性。
Starting from the ray path equation, object-image relationships are found and used to determine the equivalent focal length and the principal planes of tapered GRIN fiber.
本文从光线轨迹方程出发，推导了锥形梯度折射率纤维的物像关系式，并得出了它的等效焦距和主平面位置。
The discussion of each method starts with a description of the principal of the method, followed by some examples of its application to fiber analysis.
对每一种方法首先介绍其原理，然后举例说明其在纤维分析中的应用。
The Principal, Character and Specification of GFH optic fiber valve position put forward by application of Optic Fiber sensing technology is introduced.
介绍了运用光纤传感技术研制的光纤阀位回讯器的工作原理、特点及技术性能。
Principal mechanical properties of metallic fiber include tensile strength and stiffness.
纤维的主要力学性能指标是抗拉强度和韧性。
Planning fiber placement paths according to the distribution of principal stress can reduce the amount of composite materials and enhance the strength of structure.
提出了一种铺丝路径的优化生成算法，用以提高成形件的强度并减少复合材料的用量。
Planning fiber placement paths according to the distribution of principal stress can reduce the amount of composite materials and enhance the strength of structure.
提出了一种铺丝路径的优化生成算法，用以提高成形件的强度并减少复合材料的用量。
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