在线词典

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在线词典,是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义,查询效率高、结果丰富,包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等,是外语学习者必备的在线查词工具。

first moment of area

查词链接:https://www.dute.org/dict/first_moment_of_area复制链接
截面一阶矩:截面一阶矩是指截面上微元面积与该微元距离轴线的乘积的积分,用于确定截面的中心位置。
查看英英释义
abstract:
The first moment of area, sometimes misnamed as the first moment of inertia, is based in the mathematical construct moments in metric spaces, stating that the moment of area equals the summation of area times distance to an axis [Σ(a x d)]. It is a measure of the distribution of the area of a shape in relationship to an axis.

网络释义
截面面积矩
... 6. 截面面积 area of section 7. 截面面积矩 first moment of area 8. 截面惯性矩 second moment of area; moment of inertia ...
常用短语
* 以上查询结果来自于网络,仅供参考。
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