There . your second moment . that ' s another $ 50 又拍了第二张,再加50块
There . your second moment . that ' s another 50 又拍了第二张,再加50块
Second moment of area of tranformed section 换算截面惯性矩34
Second moment of area 截面惯性矩
It has been shown that the m2 values of semiconductor lasers , which are defined by the second moments , are always larger than unity 理论和实验结果表明,在二阶矩的定义下,半导体激光光束的质量因子总是大于1的。
second momentとは意味:二次{にじ}モーメント second moment meaning: Noun: second moment The expected value of the square of the deviations of a random variable from the point of origin Derived forms: second moments Type of: moment Encyclopedia: Seco...second moment перевод:мат. второй момент