The penpoint fracture is main due to non-metallic inclusions and center segregation.

To compare with standard VQ algorithm, an experiment over 10 standard images is conducted, and the result shows that compression ratio of these images can be improved by 54 percent average, while the mean PSNR decreases 0.86 percent.

对于10幅标准图像的测试结果表明，与普通VQ相比，该文算法的压缩比平均提高54%，PSNR平均仅降低0.86%。

Compared at national average level, the mean biomass of almost all kinds of communities in Jiuzhaigou Valley is higher except that of oak forest.

与全国平均水平相比，九寨沟几乎所有类型的群落的平均生物量都要高于全国同类群落的平均水平。

SPM showed that average roughness and root mean square of multilayer films were only 0.44 nm and 0.55 nm, respectively.

SPM3D粗糙度分析显示，复合膜表面的平均粗糙度仅为0.44nm，均方根粗糙度仅为0.55nm。

With the increase of the average patch area, mean patch fractal dimension index increases slowly as a whole.

随着斑块面积的增加，平均斑块分维数总体趋势呈缓慢上升。

Adult hair arsenic data were positive skewness distribution, and calculating average should use geometric mean or median;

成人发砷值呈正偏态分布，在计算平均值时应当使用几何均数或中位数；

Average Time for One-side Mean Control Charts with Warning Limits under Variable Sampling Intervals

抽样区间可变的带警戒限单侧均值控制图的平均时间

Extremal Problem on Diameter and Average Distance of Graphs Mean Entropy

平均结果为图直径与平均距离的极值问题研究

In the forest stand whose crown closure is under 0.5, the average value of mean square error is 0.502m, distributed between 0 to 0.7m and the frequency is 82.8% and the frequency whose mean square error is under 1m is 91.4%.

在郁闭度小于0.5林分中，平均中误差为0.502m，集中分布在0~0.7m范围内，频率为82.8%，中误差小于1m的频率为91.4%。

Compared with the normal group and the PRF group, the average areas, mean diameter and area density of nerve fibers after operation in the RFTC group was higher ( P < 0.05), but the quantity of nerve fibers was less ( P < 0.05);

射频热凝组即时神经纤维的平均面积、平均直径和面密度高于正常组和脉冲射频组（P<0.05），但数量低（P<0.05）；

The flux of evapotranspiration and turbulent heat exchange are 86.2% of the net radiation of the stand on average. The mean Bowen ratio is 0.5500. The energy consumed by soil heat exchange is 13.4%.

蒸散耗热和湍流热交换占净辐射收入的86.2%，平均波文比为0.5500，土壤热通量约占净辐射收入的13.4%。

This article selects 2473 experimental data of coal gange light aggregate concrete cubic strength on the spot in Fuxin, calculates their average value, mean& square deviation and coefficient of variation, and makes regression analysis.

本文收集了阜新市煤矸石轻骨料混凝土立方强度的现场试验数据2473个，统计了它们的平均值、均方差和变异系数，并进行了回归分析。

Results 1) For 4.0 mm pupil, the average higher-order root mean square ( RMSh) values of the two groups were 0.16 ± 0.05 μ m and 0.13 ± 0.05 μ m.

结果1、瞳孔4.0mm时，两组的高阶像差均方根值（RMSh）分别为（0.16±0.05）μm，（0.13±0.05）μm；

To average laytime shall mean that separate calculations are to be made for loading and discharging and that any time saved in one operation is to be set off against any excess time used in the other.

装卸时间平均计算是指分别计算装货时间和卸货时间，用一个作业中节省的时间抵消另一作业中超用的时间。

Through the analysis of the three kinds of queue model switches, the throughput, average delay and mean waiting cell numbers in the buffer are given for different models of queueing switches in this paper.

文中通过对这三种排队模型交换机的分析，给出了不同排队模型交换机的吞吐率、信元的平均延时及缓冲器中平均等待信元数。

However, those larger average windows also mean the SACK receiving code needs to do a lot more work for every packet received as the queue to be scanned contains more packets.

可是，这些较大的平均窗口也意味着SACK接收代码需要对收到的每个包做很多工作，因为需要扫描的队列包含更多的包。

The gas average velocity and mean temperature increase greatly at the channel entrance, and both the temperature and velocity at the channel exit decrease with the increase of Kn numbers.

在通道入口附近，气流速度和温度变化剧烈，而在出口处截面平均流速和温度随Kn的增加而降低。

This paper discussed the theorem of the average arithmetic geometric mean of algebraic polynomials systematically, then derived and analyzed the original geometric programming ( GP) briefly.

系统地讨论了代数多项式的算术－几何均值定理，并对原型几何规划理论作出了简明的推导与分析。

This paper introduced the average algorithm, mean square value algorithm, the backlight enhancement algorithm for dark scene image and IMF backlight algorithm mentioned in several papers.

本文介绍了用于动态背光主亮度提取算法的平均值算法、均方值算法、暗景图像背光增强算法和IMF算法。

A stochastic dynamical prediction model is suggested and primary discussion is also made The average rate of mean sea level is 1.8mm/a in the East China Sea.

指出东中国海的平均海面平均以1.8mm/a的速率上升。

Experiment results show that the lower the input image SNR is, the better the performance of developed algorithm is comparing with the average filter and mean filter.

结果表明：该算法与均值和中值滤波器相比，输入图像信噪比越低，滤波效果越明显。