您要查找的是不是：
- statistical average duration 统计平均时长
- On a statistical average there is a strong dependence of the scintillation on the time of the day. 就统计平均值而言，闪烁跟一天的不同时间有很强的依赖关系。
- If the outflow falls the average duration of unemployment will correspondingly rise. 若流出人数下降，则失业的平均持续期将相应上升。
- Messypupil: Conversely, an increased risk of developing this condition is linked to a longer average duration of sleep. 相反,这种情况的高风险的增长和平均睡眠时间较长有关。
- Average Subscriber Call Duration is the average duration, in seconds, that subscribers spent logged on to the system. Average Subscriber Call Duration是订阅者登录到系统所用的平均持续时间(秒)。
- Researchers have long noted that by melding together hundreds of faces, a statistical average of facial characteristics is reached that happens to be incredibly attractive. 科学家早已发现通过融合几百张脸，得到的一张统计学上的面部特征平均的脸，碰巧是极为富有吸引力的。
- Find out how far from the EMA the reversals occur, both in terms of price and percentages, as well as the average duration of those deviations. 计算离均线多远会发生反转，既要用价格，也要用百分比，同样计算背离的平均时间。
- An aglorithm named as uniform load statistical average method is proposed and its procedure is described based on the charicteristic of pulsation wind on structure. 根据建筑结构风荷载的作用特点，提出了一类时域识别算法，用于高层建筑结构的结构物理参数识别。
- However, the TA found that the average duration per call of Public Mobile Radiotelephone Services (PMRS) and Personal Communication Services (PCS) had increased. 但是电讯管理局发现公共移动无线电话服务(PMRS)和个人通讯服务(PCS)的平均通讯时间却延长了。
- Thermodynamic system, microscopic quantity and macroscopic quantity, statistical average value, pressure equation, temperature equation, concept of degree of freedom, theorem of equipartition of energy, internal energy of ideal gas. 热力学系统,微观量与宏观量,统计平均值;压强公式,温度公式;自由度的概念,能量均分定理和理想气体的内能。
- However, the optimal results being a statistical average, the antenna pattern of random phasing is unsteady with the scanning angle and scanning period, so it is not easy to form the actually needed codes for control of the antenna scanning. 应用遗传算法对随机馈相方案进行优化，能有效抑制寄生副瓣的出现，形成扫描空域确定的波控代码，实现相控阵波束无惯性的精确指向。
- In communications, a unit of telecommunication traffic intensity determined by the product of the number of calls, carried by the circuit in one hour, and the average duration of the call in hours. 在通信技术中，表示远程通信总量密度的单位，等于线路每小时传输的通话次数与平均通话时间（小时）的乘积。
- Traditional stress-strength interference model was reinterpreted as that to express the weighted statistical average of the probability that strength is greater than stress, or vice versa. 摘要在概率统计平均的意义上重新解释传统的两个随机变量干涉分析的基本概念及模型，将干涉模型解释为载荷加权平均模型。
- Results show that the short circuit flow in the tundish has been effectively checked and average duration of the liquid steel prolonged and the removal rate of inclusions inside the tu... 结果表明,设置挡墙和坝后,中间包内有效防止了短路流,延长了平均停留时间,夹杂物整体排除率明显提高,大大改善了中间包的冶金效果。
- In addition, robustness of the scheme against JPEG lossy compression, image enhancement, noise addition and statistical averaging attacks among others are provided. 此外，文中还分析了算法对JPEG压缩、图像增强、加入噪声及共谋攻击等操作的鲁棒性。
- The effects of surf ac.conductivity inhomogeneity is rejected by means of statistic average. 对地表不均匀性的影响采用统计平均剔除的方式较正；
- This paper discusses three methods for the signal-to-noise ratio estimation of seismic records,and they are SVD method,statistical averaging method and frequency-domain estimation method,respectively. 估算地震记录信噪比的三种方法有SVD法、统计平均分析法和频率域估算法。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- He finished the work of three years' duration. 他用三年的时间完成了这项工作。
- Well, I'm stuck here for the duration. 哎，这段时间我只得呆在这儿了。
