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以上来源于: WordNet
N a sequence of numbers or quantities, each term of which differs from the succeeding term by a constant amount, such as 3,6,9,12 等差数列 → compare geometric progression
arithmetic series
What is the arithmetic progression?
什么是算术级数？
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Prove that no four consecutive binomial coefficients can be in arithmetic progression.
证明不存在四个连续的二项系数成算术级数。
The result shows that the utility of the arithmetic progression can limit the first kind of misread.
结果表明， 等差数列的利用可规范第一种误读。
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