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The former image,the reference image is divided into a series of textures standing for different surficial configurations,and its is assumed that the gray value of the above textures is modeled as Gaussian distribution s.

对于两幅同一地点、不同时刻的图像，先将前一时刻的遥感图像分割成一系列代表不同地表形态的纹理，假设前一时刻图像的灰度分布在这些分割所得的纹理区域上可以用高斯分布描述，则后一时刻的图像在这些纹理区域上远离高斯分布的像素点便是异常的变化点。

By the nucleophilic substitution reaction of 6-O-tosyl-l,2:3,4-di-O- isopropylidene-a-Z-galactopyranose (3) with some substituted 1, 2,4- triazole-3-thiols (4a ~ 4c) or 1, 2, 3,4-tetrazole-5-thiols (5a~5f), nine 6-S-(substituted triazolyl or tetrazolyl)-l,2 : 3,4-di-O- isopropylidene-a-D-galactopyranoses (6a ~ 6i) were prepared in high yields. Their structures and configurations were analyzed and established by elemental analysis, IR, NMR, MS spectra.

报道了6－O－对甲苯磺酰基－1，2：3，4－二－O－异亚丙基－α-D吡喃型半乳糖（3）与取代的3－巯基三唑或5－巯基四唑4a-4c或5a-5f的亲核取代反应，合成了9个6－S－－1，2：3，4－二－O－异亚丙基－α- D吡喃型半乳糖（6a-6i），通过元素分析，IR，NMR和MS确证了上述化合物的结构，并经分子模型计算进行了其构象分析。

Component binding information was attached to intermediate schedulingresults. During scheduling infeasible binding configurations were removed according touser specified cost constraints, and multi-objective optimization was achieved byutilizing user specified cost function.

为中间调度结果附加组件绑定信息，并在调度过程中根据用户代价约束排除不合理&配置&、利用代价函数对多个代价目标进行优化。

The lowest energy structures of phosphorus-excess triatomic clusters are an isoceles triangle with C2V symmetry, and metal-excess triatomic clusters show minimum energy configurations to be a triangle with Cs symmetry.

富P的MP2团簇是具有C2V对称性的等腰三角形结构，而富M的M2P团簇则是具有Cs对称性的三角形结构。

Running on an unrivaled range of databases, operating systems, hardware platforms and network configurations, Uniface allows organizations to successfully manage waves of business and technology change.

无与伦比的数据库，操作系统，硬件平台和网络配置，使组织Uniface成功管理一波又一波的商业和技术的变化。

Aside from that, despite the security policy of firewalls are made unifiedly, these policies are usually described in natural language and for the language obscurity, different administrators would have varied understandings, which will lead to inconsistent, configurations between independent firewall policies.

另外，尽管防火墙的安全策略是统一制定的，但是这种安全策略一般由自然语言表示，由于自然语言的模糊性，不同的安全管理员对策略的理解可能并非完全相同，当他们配置独立防火墙的时候也就导致了独立防火墙间的策略不一致。

Software that is unpatched, outdated, vulnerable, or left in default configurations, especially web servers.

未补丁，过时的，脆弱的，或保持默认配置，特别是web服务器。

In chapter 2, we focus on derivation of the tortuosity models for flow of Newtonian incompressible fluid in two- and three-dimensional porous media with spherical, cubic and plate-like particles by applying the geometrical method. We first present the ideal geometrical models of porous media to show the ideal and representative streamlines based on the assumption that some particles in porous media are unrestrictedly overlapped and hence of different configurations, then the average tortuosity is derived by geometrically and weightedly averaging these representative flow paths.

第二部分采用几何分析法研究了二维和三维情况下的球形颗粒、立方体颗粒和板状颗粒多孔介质中流体流线的迂曲度，首先给出多孔介质的理想几何模型，通过分别考虑固体颗粒重叠时、不重叠时以及粒子的不同排列等情形时的流体流线，然后对这些理想代表性流线的迂曲度取几何平均和加权平均，最后推导出流体流过多孔介质的迂曲度解析表达式。

The advantages of these configurations include the absence of unterminated stubs, access to all channels, and similar path characterristics. Disadvantages include the need for extensive cabling and the use of many coaxial relays.

这种配置的优点包括没有未端接短截线、可访问所有通道，以及相类似的通道特性；缺点包括需要大量的电缆连接，并且使用同轴继电器。

The PS3 is a vailable in two configurations, costing $500 and

上市的PS3 有两种配置，在美国的价格分别为500 美元和

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。