说明了用组合分析方法证明代数恒等式的有效性和实用性。
It shows the effectiveness and practicability of the approach to prove algebraic identies with combinatorial analysis.
资本资产定价模型（CAPM）是常用的一种证券定量组合分析方法。
The capital asset pricing model(CAPM)is a method in common use for analyzing securities combination in mathematical form.
例如，她教授了人们在制作小型七彩手镯时如何研究组合分析的方法。
As an example, she teaches how to study combinatory analysis in manufacturing small colorful bracelets.
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