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The harm of worms' outbreak becomes greater and greater. Such make worm detection and defense technology face an increasingly tough challenge. Attack Signature Automatically Generation technology is one of the key technologies, this paper focuses on the ASAG technology for research, its main jobs include: 1）Analyzed the research status of ASAG technology from the overall, described its design goals and evaluation criteria, and the current approaches' limitations is given. 2） After deeply researching and analyzing a various of ASAG systems, a basic framework for the network ASAG system is presented, and the detailed analysis of the main function of the components in the framework is also presented. 3）An attack capture model based on distributed honey-pots system is presented. This mode integrates the anomaly detection which based on the mode of dubiety score in the honey-pots, can do a second filter for the samples in honey-pots, and improve the purity of the samples captured. 4） A simple noise-resilience ASAG algorithm is presented, which used the behavioral characteristics of the worm outbreak to generate efficient signatures of samples in the suspicious dataset, which contains large amounts of noisy data, under the complex environment.

攻击特征自动提取技术是网络蠕虫防御技术的关键技术，本文围绕攻击特征自动提取技术开展研究工作，其主要工作包括： 1）对攻击特征自动提取技术的研究现状进行了综述，介绍其设计目标与评价标准，并指出了现有方法存在的局限性； 2）在深入研究与分析各种攻击特征提取系统的基础上，提出基于网络的攻击特征自动提取系统的基本框架，并详细分析框架中各部件的主要功能； 3）提出了基于分布式蜜罐系统的攻击样本捕获模型，该模型在分布式蜜罐系统的基础上，结合基于可疑度模型的异常检测，对蜜罐中的样本进行二次过滤，较好地提高了捕获样本的纯净度； 4）提出一种简单抗噪的攻击特征自动提取算法，该算法利用蠕虫爆发时的行为特征，在复杂环境下含有大量噪声数据的可疑样本训练集中提取有效的特征，降低对样本纯净度的依赖。

When telogen effluvium occurs, a greater proportion of the hairs enter the resting phase of the cycle and hair shedding is greater than normal.

当 telogen 臭气发生的时候，头发的更棒比例进入周期的让状态休息而且使头发流出的比常态棒。

With the increase in tempo, the angle of hands away hail no significant change, but in 4 tempo for 3 athletes, their angle of entrance always greater than their angle of run, and their left angle of hands always were greater than right, it means that their left extent of hands away were longer than their right.

转桨角的变化幅度不大，但在四种桨频下，3名运动员的入水角都大于出水角。3名运动员的左转桨角比右转桨角大，意味着3名运动员左手桨叶的划幅比右桨大。

The greater the mass, the stronger the gravity and the greater the escape velocity.

质量越大，它的引力越大，逃逸速度越大。

These represent greater than, greater than or equal to, less than, and less than or equal to

这些即大于，大于或等于，小于，小于或等于

In recent years, the changes in China are greater and greater.

这几年，中国的变化越来越大。

Big bitmaps will confine to the entire area of this control with a vertical scroll bar on Right side ( the scroll bar will be displayed if the height of the image is greater than the height of this control) and a horizontal scroll bar at the bottom of this control (the scrollbar will be displayed if the width of the image is greater than the width of this control).

大位图将只对本一份关于右侧垂直滚动条控制整个地区（滚动条将显示，如果图片的高度大于这个控件的高度）和水平滚动条的底部此控制（滚动条将显示，如果图像的宽度大于这个控件的宽度更大）。

The higher its concentration, the greater the warming - and, more important still, the greater the chance of triggering something grave and irreversible: rising sea levels due to the melting of Greenland's icecap; runaway release of methane in the tundra.

而二氧化碳的浓度越高，气温就会越高--更重要的是，还可能引发某些更严重、更不可逆转的变化：格陵兰冰盖的融化造成海平面上升；冻土地带的甲烷失去控制释放出来。

Our results show that the quality of a firm's network partners declines after the firm's commission of an unethical act, and that the deterioration in partner quality tends to be greater for acts of greater illegitimacy.

结果表明，一个公司的网络合作者的质量会因为公司的不道德行为下降，而且其质量的退化随公司行为的非法性程度的加深而更加严重。

T the first day after operation, the brain water content was the greatest. Comparison the brain water content of two sides of model group,the side of injection hemoglobin was greater than the anthor side.The brain water content was statistic difference between model group and intervenor groups.But the brain water content of intervenor groups was evidently greater than that of control group .

QP4干预组和HO-1干预组各时间点脑组织含水量明显高于对照组，但不如模型组增高明显；AQP4干预组和HO-1干预组各时间点脑组织含水量与模型组比较均有显著性差异，AQP4干预组与HO-1干预组各时间点脑组织含水量比较差异不明显。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。