特征参数

The data of selected structure parameters of (C_5H_5)_3Ln· THF, such as the average distance between the penta carbon ring and the central metal, the distance between the penta carbon center or the coordinated THF and the central metal, showed that their values decreased with the increase of atomic number.

产物(C_5H_5)_3Ln·THF的特征结构参数，如五元碳环的碳原子与中心金属的平均距离，五元碳环质心与中心金属距离，配位的四氢呋喃氧原子与中心金属距离，由于&镧系收缩现象&，随着中心原子序数的增加而减小。

The vehicle administration offices shall, within five days from accepting the application, check the type of the vehicle, factory name and model, color, engine number, vehicle identification number, and the main character and technical parameter, and verify the film of rubbing of the vehicle identification number, and make examination on the certificates and proofs submitted, as well as review and issue the vehicle registration number, license plate, driving permit and mark of conformity for inspection.

车辆管理所应当自受理申请之日起五日内，对机动车的车辆类型、厂牌型号、颜色、发动机号码、车辆识别代号及主要特征和技术参数进行确认，核对车辆识别代号的拓印膜，对提交的证明、凭证进行审查，核发机动车登记证书、号牌、行驶证和检验合格标志。

This article focuses on research of prediction of rock-burst happened in Cangling extreme long-tunnel engineering, comparison of tunnel carving details in the performing stage and prevention measures.

通过对苍岭特长隧道岩爆问题的预测研究和施工阶段洞身开挖情况对比，以及针对本工程的岩爆防治措施研究，探讨了岩爆预测判据对苍岭隧道工程的适用性，揭示了苍岭隧道围岩的岩性特征和初始应力场，掌握了苍岭隧道岩爆发生的烈度和基本分布规律，提出了对岩爆问题的工程防治措施，另外，根据工程区地质条件和岩石物理力学性能参数，建立了相应的地质力学模型，采用有限元法建模反演分析，其结果与通过钻孔水压致裂试验测得的地应力结果比较，显得较为吻合，并得到施工阶段通过洞壁应力恢复法分析结果的验证，验证表明理论模型和有限元模型的适用性及分析应力场是较为准确和合理的，并在此基础上对苍岭隧道岩爆进行分段预测和采取了较有成效的工程防治措施，具有较高的工程应用价值。

The characteristic of this approach is that the registration parameters are calculated according to the centroids and long axes of matched contour pairs in the input images. It is robust as it overcomes the difficulties of control point detection and correspondence in normal feature-based registration techniques.

该配准算法的特点是根据匹配轮廓对的质心和长轴计算配准参数，克服了传统的基于特征的图像配准算法控制点检测与匹配的问题，算法鲁棒性较高。

The charecteristic modeling of the shell injection plastic parts and the simulation of the typical part are complished.

完成了壳类注塑件的特征造型、典型件的注塑成型模拟，提出了优化的工艺参数。

Two parameters proposed by RILEM,the critical stress intensity factor K ICS and critical crack tip opening displacement CTOD C ,and third parameter of the characteristic length l ch are applied for investigation of fracture characteristics of concrete,which is with different size of coarse aggregate and different content of silica fume,and under different curring condition.

采用RILEM推荐的双参数临界应力强度因子和临界裂缝尖端张开位移，同时还采用了特征长度lch研究了不同粗骨料粒径、不同硅灰掺量以及不同养护条件下这3个因素对混凝土断裂特性的影响。

The dependences of third-order optical nonlinear on the molecular structures of polymethine cyanines were thoroughly analyzed by introducing the simplified free electron model and the time-dependent perturbation theory.

对咔唑羰基铬配合物还观察到了来自金属到配体的电荷转移特征吸收带；(3)采用皮秒前向简并四波混频技术测试了所有目标分子的三阶非线性极化率、二阶超极化率以及非线性折射率等非线性光学参数。

In order to calculate Melting Temperature in a more reasonable way, we use the SOFM of kohonen neural-networks to extract wild field features from DNA sequence, and a back propagation network is employed to predict Tm of DNA duplexes with these features.

本文以DNA序列的邻近法参数为基础，根据DNA序列热稳定性特点提出了DNA序列的编码方案，并建立了基于特征自组织网络的解链温度的预测模型。

This study tries to amend the parameters through collecting and analyzing all archives and existing parameters systematically, scrutinizing original documents, conducting on-site investigation, and analyzing the relationship between spatialtemporal distribution of present day micro earthquakes since 1970 and strong historical earthquake epicentres.

通过系统收集、整理原有研究成果，详细分析其异同，并通过细读原始资料，实地考察以及定量分析1970年以来的中小地震时空分布特征与强震的关系等多个方面，对此次地震参数进行了校订。

The results show that the dislocations were nonlinear in space and time, especially in non-homogenous distribution of mechanical parameters on the fault surface.

结果表明，不同的断层力学参数，特别在断层强度非均匀分布的状态下，断层位错运动存在明显的非均匀时、空分布的特征。

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。