特征参数

With the development of seismic sounding technology in recent years, it can be well detected and become an important physical parameter for understanding deep structural features and corresponding geodynamic mechanism.

地壳深部岩石的弹性波各向异性包含着地壳形变的重要信息，并且是可以利用地震测深技术进行探测的地球物理特性，因此，其也就成为人们了解地壳深部构造特征，分析其成因，探讨其动力学含义的重要岩石物理参数。

Extracted from the images of 28 species of insects of the Hemiptera, Lepidoptera and Coleoptera, the application of rough-set theory and fuzzy clustering analysis in insect taxonomy was evaluated.

本文根据昆虫图像，对半翅目、鳞翅目、鞘翅目的28种昆虫提取的形状参数、叶状性、球状性等7项数学形态特征进行了粗糙集模糊聚类分析。

AIM:To analyze and compare the characteristics of cerebral vascular hemodynamic parameters in young stroke patients.

目的：比较和分析青年脑卒中患者脑血管血液动力学参数(cerebralvas-cularhemodynamicparameter，CVHP)的变化特征。

A two-dimensional fractal pore network model of porous media was constructed based on the theories of homothetic reduction, fractal geometry, Voronoi diagram, along with the structural parameter of potato.

构建的网络模型考虑了影响多孔介质干燥的孔道微细结构特征，模型参数能够很好地反映多孔物料的微观结构，且获得了合理的分形维数。

The fitting results of model parameters demonstrated that, sorption nonlinearity of phenanthrene in the natural soil increased in the following order: humic acid fraction〈 whole soil〈 humin fraction, and enhanced gradually.

模型参数拟合结果显示：胡敏酸、全土、胡敏素吸附的非线性程度依次增加，并随时间逐渐加强，在吸附／分配的动力学过程中，胡敏酸和胡敏索分阶段不同的变化特征反映出土壤有机质组分异质性对非线性吸附行为的影响。

A systematic convergence tests for hyperspherical potential curves, channel functions, are performed to assess the validity and efficiency. The challenging three-body problem with complex channel-coupling is solved efficiently and accurately. Accurate ground-state energy, structure parameters, and rotantion constants for Ar2Kr and Ar3 are obtained and compared to other theoretical values in the literatures.

系统研究了超球势曲线、道函数的特征与收敛性；实现了有复杂多通道耦合时重惰性原子三聚体的精确求解，得到了Ar2Kr和Ar3惰性原子三聚体精确的基态能量、结构参数及转动常数，并与文献结果进行了比较。

In accordance with the analysis of statistics, the feature parameters of the hysteretic model is given.

通过统计分析，给出了恢复力模型各特征点参数计算公式。

The inial optimizing value is chosed according to Rayleigh wave with dominant energy in the Lamb's problem and the difficulty of calculating the velocity of Rayleigh wave of transversely isotropic saturated soils is solved.

分析表明：瑞利波速在饱和均质半空间具有弥散性，各向异性参数ζ〓、ζ〓对瑞利波速有明显影响，ζ〓在特征频率附近对瑞利波速的影响较大，在高低频区段对瑞利波的影响较小。

Centering on these two purposes, this paper sets up the architecture and functional model of Virtual Coordinate Inspecting System , determines its characteristics, determines its working process that from inspection planning、path planning、movement simulation、measurement uncertainty analysis of inspected parameters and assessment of inspectability according to user's demands.

围绕这两个目的，本文首先建立了虚拟坐标测量系统的体系结构和功能模型，确定了虚拟坐标测量系统的特征，确定了根据用户需求进行测量方法设计和路径规划，进而进行测量过程运动仿真、被测参数的测量不确定度分析和可测量性评估这一工作过程。

ConclusionMicrocalorimetry is a new and useful mean for the study on the biothermodynamic parameters and characteristics of Radix Isatis which can be helpful to investigate the other models using microcalorimetry.

结论微量热法可以较好的反映板蓝根的生物热力学参数及特征，该方法可为其他生物模型的研究提供参考和指导。

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。