输入要查询的单词:
triangular number
查词链接:
https://www.zzcmix.top/dict/triangular_number
复制链接 三角数:可以用相应数量的点按照三角形排列的方式表示的数字。
查看英英释义
abstract:
A triangular number or triangle number counts the objects that can form an equilateral triangle, as in the diagram on the right. The nth triangle number is the number of dots composing a triangle with dots on a side, and is equal to the sum of the natural numbers from 1 to .
网络释义
三角形数
... 三角形饰 triquetra; 三角形数 triangular number; 三角形速度分布 triangular velocity distribution; ...
常用短语
更多常用短语正在查询...
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你是不是想查找:
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{word}
{phones} {trans} {trans_ee} {exam_types}{web_trans} {variants} {phrases} {synonyms} {rels} {discriminations} 查词链接:
{link}
复制链接{phones}
{text}:[{value}]
{trans}
{trans}
{pos}
{tran}
{tran}
查看英英释义
{trans}
{pos}
{list} {tran}
{words}{word}同义词: {words}
{pos}
{words}
{exam_types}
单词变体
- {variants}
常用短语
- {phrases}
网络释义
{web_trans}
{tran}
{detail}
近义词
{synonyms}
{pos} {tran}
{words}
同根词
{rels}
{pos}
{words}
{word}{tran}
词语辨析
{discriminations}
{num}、{title}
{description}- {usages}
{description}