average n. 1.平均,平均数。 2.一般水平,平均标准。 3.【商业】海损;海损费用;(给领航的)报酬。 arithmetical [geometrical] average【数学】相加[相乘]平均数,算术[几何]平均数。 general [particular] average 共同[单独]海损。 petty [accustomed] averages (支付给领航、港口等的)小额[例行]酬劳费。 above [below] the average 平常以上[以下]。 on an [the] average 平均;一般说来。 take [strike] an average 平均起来,折衷,扯平算。 up to the average 合一般标准。 adj. 1.平均的。 2.普通的,一般的。 3.【商业】按海损估价的。 The average age of the boys here is ten. 这些孩子的平均年龄是十岁。 students of average intelligence 智力水平一般的学生。 vt. 1.平均,均分。 2.平均是。 I average six hours work a day. 我每天平均工作六小时。 If you average 4 and 6, you get 5. 4和6均分得5。 vi. 1.平均。 2.(为得到更有利的平均价格而)买进(或)卖出(更多的股票、货物等)。 average down [up] 以低于平均价格买进[以高于平均价格卖出]。 average out 1. 最终达到平衡。 2. 达到平均数,平均为 (to) (The gain averaged out to 30 percent 利润平均为百分之三十)。
on average 按平均数计算; 平均,一般而言; 平均,一般说来; 平均;通常;普通; 平均起来,一般说来; 通常
on the average 按平均值; 平均,一般说来; 平均而言,通常; 平均起来,一般说来; 一般来说,平均来说
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。
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。
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。
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。
The coefficients corresponding to those of landau free energy are associated with some kinds of statistical average , so they are related to temperature . using the molecular interaction potential , with proper potential parameters , we also calculate the order - parameter tensors " phases which are depended on the reduced temperature 选择一定的势参数,从分子的作用势出发,通过自洽的方法进行数值计算,求得bp和bp的序参量张量各系数与约化温度的关系曲线。
The background subtraction method is used to retrieve the foreground , and the mixture gaussian model is used to model the background , during the modeling , the improved k - means algorithms is applied to improve the speed of background modeling ; 2 . in the process of the background updating , the updating algorithms based on statistical average is used to update the background , compared to the traditional background updating methods , it improves the speed of the background updating ; 3 . to solve the problem that the detection method based on gaussian shadow model detects the shadow inaccurately under some situations , a novel algorithm based on the body color vector matching is presented to detect and eliminate the shadow 本文在总结和分析了国内外相关研究工作的基础上,针对运动物体检测与提取中如何检测与提取前景区域以及如何检测与去除阴影的问题开展研究,其主要研究内容和成果如下: 1 .采用背景减除法提取前景区域,利用混合高斯模型进行背景建模,建模过程中,引入了改进的k -均值算法,加快了背景建模的速度,提高了背景建模的质量; 2 .在背景更新的过程中,采用了基于统计平均的更新算法,相对于传统的背景更新方法,提高了背景更新的速度; 3 .针对运动物体阴影检测与去除中,基于高斯阴影模型的阴影检测方法在某些情况下对阴影检测不准确的问题,提出了一种基于体色向量匹配的阴影检测与去除算法。