其实概念一点儿不复杂，只要有些简单的代数知识，你也能心算，这样谈判起来就更有效了。
The concepts are actually not complicated, and with a few simple algebraic tips you will be able to do the math in your head as well, leading to more effective negotiation.
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.
代数动力学方法便是求解该系统的一种有效方法。该方法利用系统的代数结构使系统按照动力学规律随时间演化。
Algebraic dynamical method is an effective method to deal with the dynamical evolution of such systems by making use of its algebraic structure.
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