“triangular numbers”的概念、定义、翻译、参考文献-科学参考

单词	triangular numbers
释义	triangular numbers [trī¦aŋ·gyǝ·lǝr `nǝm·bǝrz] ^MATHEMATICS The numbers 1, 3, 6, 10, . . . , which are the numbers of dots in successive triangular arrays, and are given by the expression (n + 1)(n /2), where n = 1, 2, 3,. . . .
随便看	alette aleukemia aleuron aleurospore Aleutian Current Aleutian disease Aleutian low alewife Alexanderson antenna Alexandrian alexandrite Alexandroff compactification alexia Alexinic unit alexithymia Aleyrodidae alfalfa alfa process alfenol alfin catalyst Alfisol Alford loop Alfvén number Alfvén speed Alfvén wave

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