The optimum fiber proportion of bamboo's fiber reinforced polypropylene composite could be analyzed accurately by optimum design method of main composition analysis.
用多元统计分析中的主成分分析法，合理地确定竹材高得率浆聚丙烯复合材料多项性能指标兼优的最佳纤维含量。
The best fiber capacity of wood thermomechanical pulp reinforced nylon composite could be determined accurately by optimum design method of main composition analysis.
用多元统计分析中的主成分分析法优化设计木片热磨机械浆增强尼龙复合材料，合理地确定多项性能兼优的最佳纤维含量。
Traditional method analyze, return to with main composition analysis with quantity theory come, realize, set up to forest type go on, divide and appraise progressively.
传统方法用主成分分析、逐步回归分析和数量化理论来实现对森林立地进行分类和评价。
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