机械工程专业英语词汇翻译M-64-SCIdict学... ... 一次矩 moment，first 二次矩 moment，second 单原子气体 monatomic gas ...
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断面二次矩 second moment of area
二次矩阵方程 quadratic matrix equation
截面二次矩 second moment of area Ia
剖面二次矩 second moment of area
第一阶第二次矩 FIRST ORDER SECOND MOMENT
二次矩阵不等式区域 Quadratic matrix inequality region
一次二阶矩法 First-order Second-moment Method ; FOSM ; AFSOM
二次型的矩阵 matrixofaquadraticform ; matrix of quadratic form
本文提出了海洋平台结构系统疲劳可靠性分析的一阶二次矩方法。
A first order second moment formulation for systems fatigue reliability assessment of offshore structures is presented.
3方差的专业定义是随机变量的二次中心矩，与期望值之差的平方的加权平均值。
The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.
从空域与时域的相似性出发，把克尔介质近似为时域二次折射率介质，从而得到了脉冲在该介质中的解析形式，并给出了相应的时域传输矩。
From the analogy between pulses propagation in time and the paraxial optics, the nonlinear Kerr media is approached by a time quadratic index media.
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