[数]二阶矩；[数]二次矩

二次矩，二阶矩

second coming───（世界末日前的）基督复临

second home───第二故乡；第二住所

second homes───第二故乡；第二住所

second men───n.火车司机的助手

secondment───n.借调，暂借

second comings───（世界末日前的）基督复临

Second Advent───n.基督复临

Angle of light beam was measured with the method of CCD imaging and computed by second moment method.───通过CCD成像方法对准直后的光束发散角进行了测量，利用二阶矩算法计算出光束发散角。

In this paper, we analysis the defects of least variance method, and advance a least second moment method of the futures hedging.───在本文我们分析最小方差法存在的缺陷，提出了套期保值的最小二阶矩方法。

mean and second moment of frame's waiting time are important performance parameter for real time communication network.───帧的等待传输时间（延迟）的均值和二阶矩是衡量一个实时通信网络的重要的性能参数。

The improved first-order second-moment method was used to analyze the fatigue reliability of the component of a structural system.───结合改进的一次二阶矩法对系统单元进行疲劳可靠性分析。

In the last days of the second moment a great war is to be concluded with judgment and a global conflagration lasting 1, 468 years.───在第二片刻的最后日子，一场世界大战最后是随着审判而来，一场全球的大火灾持续了1,468年。

In this paper, a simple approach, second-moment method is presented for the reliability design of automotive components.───本文提出的汽车零件可靠性设计的二阶矩法是一种实用方法。

The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.───采用改进的一次二阶矩法对腐蚀管道的可靠性指标和失效概率进行了分析和计算。

the framework of vertical load calculated using the second moment distribution method.───框架竖向荷载计算采用弯矩二次分配法。

But two decades later, he had his second moment.───但是20多年后，他的第二个关键时刻又到来了。