特征参数

All the features of this system are interlinked, so if you tinker with one, you have to change another.

现在系统的各项特征都互为关联了，如果你修改一个参数，就必须修改另一个参数。

Combining an evaluation of seismic risk in Panjin area is given by determining seismic activity parameter for the design of the considered area , settingup its fortifying-level divided areas and establishing divisions for predicting the destructive degrees of an earthquake when sandy soil is liquidized .

本文利用研究区地质构造特征，古地震和地壳形变等资料建立断层模型，求解地震活动参数，判定未来地震发生的地点、强度和频度，并结合面源模型的地震危险性分析，建立研究区设计地震动参数及其设防水准分区，砂土液化震害程度预测区划，对盘锦地区的地震危险性问题做出了评价。

The soil character on the site and its effects on seismic parameters are discussed in detail and then the differences between the parameters required in US and Chinese seismic codes are analyzed and the rationalities of different resistant levels are discussed.

详细分析了海底场地土特征及其对设计地震动参数的影响，比较了不同抗震标准下的地震动参数，并进行可行性论证。

In many applications, it is desirable to analyze the parametric curves for undesirable features like cusps and inflection points.

为了便于对参数曲线段的形状控制和几何特征的进一步认识，在许多的实际应用中，需要分析参数曲线段上有无多余拐点和奇点，如果有就要消除它。

When a new face milling cutter is designed by means of feature-model technique and optimized cutting parameters, unequal tooth space and construction model, design efficiency is improved greatly.

新设计面铣刀时，由优选几何参数、不等齿距及建立的面铣刀结构数学模型，利用特征造型技术，实现了参数化设计，从而大大提高了设计效率。

In view of the peaked and fat-tailed characteristics of financial return data distribution and its effect of clustering fluctuation and especially the "leverage effect" of fluctuation on VaR estimates and some efficiencies when estimating VaR with various assumptions of return data distribution,a semi-parameter approach based on EGARCH-VaR model is developed.

在综合考虑了金融收益数据分布的尖峰厚尾特征及其波动集群性，尤其是其波动的&杠杆效应&对VaR估计的影响以及各种假定收益率分布在计算风险价值时存在不足的基础上，提出了基于EGARCH-VaR的半参数方法，并且与正态分布和t分布假设下的GARCH模型的VaR计量方法进行比较，通过实证分析，并利用后验测试，表明基于EGARCH-VaR的半参数方法对风险价值的测度优于正态分布和t分布假设下GARCH模型的VaR计量方法。

Firstly, with the analysis of electric characteristics of a condensate gas reservoir, we find that there are some differences between Tri\|porosity logging amplitude, Deep Investigation Laterolog, Shallow Investigation Laterolog, and Microlaterolog, etc; secondly, in view of the feature of the condensate gas reservoir, the log interpretation model is built on the basis of the correlation of four reservoir parameters, and the reservoir grade scale is completed using conventional logging techniques combined with cross plot technique and the result of well testing; finally, according to the feature of Qiketai Formation and Sanjianfang Formation in the Hongtai oil field, we set up the reservoir classification criteria and divide the reservoir parameters into four types.

以吐哈盆地红台地区为例，对凝析气层的电性特征进行了分析，认为凝析气层在三孔隙度测井曲线幅度和深、浅、微电阻率等方面存在差异。针对研究区凝析气藏特点，在关键井&四性&关系研究的基础上，建立了储层参数测井解释模型，采用交汇图技术和实际试油、试气资料相结合的方法，对研究区目的层常规测井储集层的分类标准进行了分析，并结合红台气田七克台组和三间房组凝析气藏特点，建立了研究区储层参数分类评价标准，依据该标准将红台地区储集层划分为4类。

Shaking table test on 1/10 building model was carried out. Through hammer blow test and sine wave swept test, the model's parameters were acquired. By earthquake wave excitation, the model's earthquake response, failure traits and aseismic property were gained. Through ratio conversion, prototype's mode parameters and aseismic capability were studied.

进行了1／10比例模型房屋模拟地震振动台试验，通过锤击与正弦波扫频试验得出模型房屋的模态参数，通过地震波激励试验得出模型房屋的地震反应、破坏特征以及抗震性能，通过相似比换算研究了原型结构的模态参数与抗震能力。

Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上，对河南省燕山水库流域洪水入库计算模拟方面作了一些研究：从燕山水库流域的下垫信息开始着手，依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式，进行下垫信息的参数化，得到单元模型所需的参数值；为了提取地形信息，本文通过对流域地形图海量数据加载高程值，利用GIS软件自动生成流域内的数字高程模型，提取了流域水文模型所需要的库容曲线；通过栅格自动划分，提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

Based on the meaning of object state in tracking theory, a novel representation for object state is proposed, which differs from traditional one with only locomotors state. In this thesis, model parameters may also represent the object state in according to different situations. Thus, the localization and characters of object are filtered synchronously, which accelerates the matching and tracking speed in real-time tracking system, especially for complicated object. In summary, this thesis studies the methods of template obtaining, updating and matching, etc.

从跟踪理论的目标状态所表示的意义出发，提出了将目标模型参数与运动参数同时作为目标状态进行滤波的方法，改变了传统方法中只利用目标运动状态的情况，在确定目标位置的同时能够匹配目标轮廓或其他特征，对于复杂的目标，可以快速鲁棒的完成视频帧中的模板匹配和跟踪。

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。