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This thesis deeply researches the J2EE security strategy on the application tier of enterprise system. The security strategy predigests the information security model and meets the security requirements expediently. But there are some disadvantages when the security requirements become more complex. The expositive security on the Web-Tier can not offer more information for authentication; there is no authentication for EJB-Tier to use, make the EJB-Tier depend on the Web-Tier; J2EE uses database or application server to manage the role information. Use database to manage the role information will increase the complex of enterprise application, and the way of application server will reduce the ability of migrate other J2EE platform. To solve these problems, the thesis designs an improved security strategy model.

本文从企业级系统应用层安全的角度出发，深入研究J2EE多层体系结构的安全策略模型。J2EE提供的安全策略简化了系统的信息安全模型，能够很方便地满足基于J2EE的分布式应用系统的安全需求，但是在面对更加复杂的安全需求时，J2EE安全策略在验证授权和角色管理中还存在不足之处：其在Web层的声明式验证机制无法为用户提供更多验证信息，可扩展性较差；在EJB层缺少业务逻辑层可供采用的验证机制，而是借助于Web层的验证机制，其耦合程度较高有悖于业务逻辑分离于表现逻辑的原则；在角色管理方面，J2EE采用数据库或者应用服务器来管理角色信息，其中，数据库管理角色的方式增加了应用开发的复杂度，应用服务器管理角色降低了系统的可移植性，两者都具有片面性。

So, the study in this dissertation focuses on some key points in theuncertainty treatment of mobile robot localization as follows: Combined with the multiple proprioceptive and exteroceptive sensors ofmobile robot MORCS-1, aimed at the drift error of fiber optic gyro as theproprioceptive sensor, the neural network using genetic algorithm as optimaltool is proposed to accomplish the modeling and calibration for temperaturedrift of fiber optic gyro, which can reduce the drift error to the standard outputat constant temperature; and aimed at the noisy disturbance of ranging datafrom the exteroceptive sensor laser scanner, a dynamic adaptive filter isintroduced through the analysis of neighboring ranging data in time and spatialcorrelation to realize the real-time and dynamic filter, which can validly filter the noisy disturbance to meet the requirement of the accurately real-timeobstacle detection in mobile robot navigation.

总结全文，在移动机器人定位的不确定性处理研究中，提出了一些具有一定创新性的方法：结合自行研制的移动机器人MORCS-1系统的多种内外部定位传感器，针对内部本体感受传感器光纤陀螺仪的漂移误差，提出采用基于遗传算法优化的神经网络来对光纤陀螺仪的温漂建模及校准，能够将其温漂变化控制在恒温条件下标准测试输出附近；针对外部环境感知传感器激光雷达测距数据中包含的噪声干扰，考虑移动机器人导航中激光雷达测距数据的时空关联性，提出采用动态自适应滤波技术进行预处理，从而可以有效滤除噪声干扰满足导航中障碍实时精确检测的要求。

What the curl modelling with western fleeciness and natural star causes many domestic ladies is yearning, but Asian face because unlike Hesperian is so stereo, so big head is put on Asian head to be able to become very heavy, be about to be balanced through adjusting hair color and hair amount at this moment, catch hair look Cheng Zong look for instance, reduce the amount of the hair appropriately, very can good-looking on visual effect.

西方的明星蓬松自然的卷发造型引起不少国内女士的向往，但是亚洲人的脸型因为不像西方人那么立体，所以大卷头放在亚洲人的头上会变得很沉重，这时就要通过调整发色和发量来平衡，比如将发色染成棕色，适当减少头发的量，在视觉效果上会很好看。

To reduce the marking distortion , using the vertical 2 - dimension galvanometer distributing and f field lens focalize , the distance of the second galvanometer to the machining plane is the focus f . to avoid too hign temperature to distroy the resonance cavity because of too long marking time , cooling system and self - protector is used in the design

为减少打标畸变，采用垂直二维振镜分布， f物镜聚焦，将激光束经第二个振镜反射后到加工平面的距离为焦距f ，为了避免打标时间过长，温度过高破坏谐振腔，在设计中加上冷却系统和自我保护装置。

Hospital should help medical staff fit the changing fole between doctors and patients and establish correct doctor-patient relationship. Hospital should adopt correct operational strategies, restructure revenue components, reduce medical costs, prohibit harmful medical behavior. Hospital bylaws should be strictly carried out by education and punishment which provides strong warning to the regulation breakers. Hospital should strengthen the frontier clinical workforce and establish an effective logistic service system able to meet clinical needs so as to secure medical safety.

医院应要求医务人员主动适应医患之间&角色&的变化，建立正确的医患关系；树立正确的经营思想，调整医疗收入的结构，降低医疗成本，杜绝一切不正当的经营行为；抓规章制度的落实重在教育和处罚，对违纪者应起到强有力的威慑作用；切实加强临床一线力量，并建立与医院业务发展相匹配的后勤保障系统，从而确保医疗安全。

While the majority of songs to love songs and began formulistic mainly due to meet market needs, in order to gradually reduce the quality of songs and music, the drastic narrowing of the creative space.

而大部份歌曲以情歌为主并开始公式化，由于要迎合市场需要的关系，从而慢慢降低了歌曲的素质和大幅收窄了音乐人的创作空间。

While I can use 腔 of the stomach immediately very for one or two minutes to be able to stand on end how many times br is every day how many seconds it is every time, and the organ in the thoracic cavity moves to the contrary direction and it drips with gastroptosis, the kidney and can reduce it clearly likewise, and the time stands, Osamu own は is not cured.

若每天能做几次倒立，每次做几秒钟至一二分钟，就能使腹腔、胸腔内的器官向相反的方向移动，胃下垂、肾下垂等也会明显减轻，久而久之，不治自愈。

The ersults indicate that the formation of water soluble products were not simply due to the glucosidic bonds hydrolysis.It may be due to the breakage of the glucose residue cycle.The breakage of glucose residue cycle may produce reduce ends and result in unstablization of glucosidic bonds, leading to glucosidic bonds hydrolysis and release of water soluble produdts.

说明CDH作用于底物后生成的水溶性产物不是因为简单的糖苷键水解造成的，而可能是由于糖环的氧化断裂导致还原端的生成，并最终使得糖苷键不稳定而水解，释放出水溶性产物。

To the degree that the astrologer identifies his horoscopical findings with the law of "as ye sow, so shall ye reap" will he be able to synthesize correctly the chart in its entirety, will he be able to reduce past causes of present conditions, will he be able to determine the potential solutions of difficulties.

作为占星家通过&种瓜得瓜种豆得豆&法则鉴别出的星盘上的发现物的角度，使他能够正确地合成整个星盘，使他能够还原导致现在条件的过去的原因，使他能够决定解决困难的可能的方法。

According to the functions of orthosis,there are four kinds:the orthosis to hold and immobilize the limb,to remedy joint contracture,to reduce spasticity and hypertonus,and to recover movement.The principles of orthosis management and common self-help aids of daily living were introduced.

中村隆一认为［1］，在脑卒中发病初期就应采用神经发育的方法治疗和指导患者自己处理日常生活活动能力，在3个月内仍不能移动以及不能自理ADL时，应改换采用矫形器、自助具和环境调整的方法，来最大限度地提高生活自理能力。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。