为了便于计算对易子，我们列出一些恒等式。
To facilitate the calculation of commutators, we list identities.
根据研究人员的计算，过去15年间，世界上森林面积排名前50的国家中，“森林恒等式”增加的有22个。
The researchers calculated that the "forest identity" had increased over the past 15 years in 22 of the world's 50 most forested countries.
本文应用形式矩阵的计算技巧，得到李善兰恒等式的一个等价命题，进而给出李善兰恒等式的一个初等证明。
In this article we apply formal matrices technique to get a equivalent proposition of Li Shanian identity, and hence give an elementary proof for Li Shanlan identity.
本文通过数学模型，并利用会计恒等式，由浅入深地分析了购买力损益的计算过程。
This article analyzes, from the superficial to the complex, the process of computing purchasing power increase and decrease by use of a mat...
本文通过数学模型，并利用会计恒等式，由浅入深地分析了购买力损益的计算过程。
This article analyzes, from the superficial to the complex, the process of computing purchasing power increase and decrease by use of a mat...
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