The second moment creep time of DZ4 superalloy rapidly decreases with the increasing of temperature and stress.
随着温度的升高和应力的增加，DZ 4合金蠕变第二阶段的时间迅速减少。
The divergence 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。
A first order second moment formulation for systems fatigue reliability assessment of offshore structures is presented.
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。
The mean and second moment of frame's waiting time are important performance parameter for real time communication network.
数据帧的等待传输时间（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。
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。
The result obtained has been compared with the one obtained by first order second moment (FOSM) method expanded about mean value.
为此 ，用基于验算点处展开泰勒级数的哈桑———林德法计算了轴心压杆稳定可靠性的可靠性指标 ，并同均值一次二阶矩法作了比较 。
The reliability of the fatigue crack growth life of single inclusion is analyzed by the advanced first order and second moment method.
采用改进一次二阶矩法分析单个夹杂裂纹扩展的可靠性。
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。
Based on reliability theory, the first order second moment method (JC method) is adopted to analyze and compute the fatigue reliability.
基于可靠度理论，本文采用一次二阶矩法(JC法)对疲劳裂纹扩展可靠性进行计算。
The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.
通过对模型中的参数进行模糊化处理，用改进一次二阶矩法计算了地下水过量开采的模糊风险率。
Thus a kind of computer aided optimum tolerance design model is built, by the reliability index of second moment based on the Dimension chain theory.
本文以尺寸链理论为基础，通过对二阶矩可靠性指标的应用到装配尺寸链的研究，建立计算机辅助公差优化设计的尺寸模型。
Secondly, the procedure of tunnel lining based on First Order Second Moment(FOSM) and JC method is presented to calculate the reliability of tunnel lining.
根据提出的可靠度计算理论和方法，编制了基于一次二阶矩和JC法的可靠度计算程序。
Reliability analysis using First Order Second Moment (FOSM) is important for structural probability design, in which process demands the derivative operation.
一次二阶矩法是目前求解结构可靠性分析的主要计算方法之一，该方法要求功能函数对随机变量的偏导运算。
This paper inquires into the problem of finding an upper bound for the expectation of recourse function when only first and second moment constraints are available.
探讨了在随机向量的一阶矩和二阶矩条件下，寻找补偿函数的期望值的一个上界的问题。
Parameters, based on the NGLDM, such as fineness, coarseness, entropy, second moment, and non uniformity parameter were introduced to describe the texture of froth.
引入了基于该矩阵的细度参数、粗度参数、二阶距参数、熵参数及不均匀性等特征参数来描述泡沫的结构。
On the other hand, the moment, the second moment and variance of the present value random variables about some life annuities and annuities with random interest rate are gotten.
另一方面讨论了随机利率下的一些离散年金、连续年金和连续生存年金现值随机变量的一阶和二阶原点矩及其方差。
On the basis of the advanced first order and second moment method, the partial derivatives of the failure probability to the distribution parameters of the process variables were formulated.
由求解失效概率的改进一次二阶矩法出发，给出了失效概率对中间变量分布参数偏导数的计算公式；
That may sound odd, but the fact is at the moment of the Big Bang, both matter and anti-matter were created for a short time, and I mean just a fraction of a second.
这听起来可能很奇怪，但事实是在大爆炸的那一刻，物质和反物质都是在很短的时间内被创造出来的，我的意思是只有几分之一秒。
The second option also involved going over to the shelf but, this time, removing the book and then subtly holding onto it for just an extra moment before placing it in the customer's hands.
第二种选择是走到书架前，但是这次，把书拿开，然后稍微多拿一会儿，再把书放到顾客手中。
The second attack was so serious that his airway swelled, preventing him from breathing, his blood pressure dropped suddenly, and his heart stopped for a moment.
第二次发作很严重，他的气道肿胀，无法呼吸，血压突然下降，心脏停了一会儿。
Second, improvements in rich world living standards may, for the moment at least, come from the capture of policy low-hanging fruit.
其次，发达国家生活水平的改善，至少就目前来说，是得益于唾手可得的政策成果。
I’m trying to live second to second, trying to truly believe that each moment in our lives can be a small prayer.
我努力地过着每分每秒，努力让我生命中的每个瞬间都充满祈祷和感恩。
At that moment, normally used to cover up the true feelings of the second per capita.
那一刻，平日惯于掩饰的二人均是真情流露。
I shouldn’t fail. So he fought to the last moment, last minute and last second.
于是才坚持到战斗的最后一刻一分一秒！
In just one second, everything went from a loud, happy, wonderful moment to total silence.
仅在一秒钟内，所有的喧哗、欢乐、精彩通通变成了沉寂。
The brain broadcast that signal one-third of a second before a volunteer experienced their conscious moment of insight — an eternity at the speed of thought.
在脑部发射这种信号波三分之一秒后，志愿者就会发生顿悟。
You enjoy every moment and every second.
享受每一时刻和每一秒。
From the moment the second child is born (or right away if you have twins) SPEND TIME WITH EACH child ALONE.
从第二个孩子出生开始，你要花时间单独和每个孩子相处。
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.
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.
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。
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