二次矩英文解释翻译、二次矩的近义词、反义词、例句
英语翻译:
【化】 second moment
分词翻译:
二的英语翻译:
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
次的英语翻译:
order; second; second-rate
【医】 deutero-; deuto-; hyp-; hypo-; meta-; sub-
矩的英语翻译:
quadrature; rules; square
【医】 moment
网络扩展解释
二次矩
èr cì jǔ
二次矩是指某一物理量的平方值乘以相应概率密度函数后再积分得出的结果。
读音:/sɛkənd ˈmju/
英文用法
In statistics, the second moment or moment of inertia is a measure of the spread of a probability distribution. It is the expected value of the square of the deviation of a random variable from its mean.
英文例句
- A simple example for the calculation of the expected value, variance and second moment is given below.
- As a result, the second moment of the spectrum along the horizontal axis is about 0.03 while the value along the vertical direction is about 0.25.
- The second moment of area is also known as moment of inertia.
英文近义词
- Moment of Inertia - 惯性矩
- Variance - 方差
- Standard deviation - 标准差
英文反义词
- First moment - 一次矩
英文单词常用度
根据Google Ngram Viewer的数据,"second moment"这个词组在英文书籍中的出现频率相对较低,但在数学和物理学领域中仍然经常出现。