前后的

The results show that the built model can keep the initial alignment parameters of kingpin unchanged before and after optimization, and the performance of optimized suspension is greatly improved.

结果表明：建立的模型能够保证优化前后的主销初始定位参数恒定，而且优化后悬架性能得到了很大的改善，优化效果明显。

The transport demand forecast model of rail transit of Suzhou city was built first and the relationship between ridership and population, total building area, residential area, commercial area are deduced. And at last, the influence of the land use pattern on the rail transit ridership is explored which can be used as reference for other rail development project.

基于苏州市城市土地利用优化前后的布局方案，建立城市轨道交通需求预测模型，获得轨道交通1号线客运量与沿线人口、总建筑面积、居住建筑面积、商业建筑面积的相关性，探索轨道交通沿线土地利用变化对其客运量的影响规律。

Simulation of Loop domain near active site was carried out with the PROLOOP programm. The initial model was energy-minimized by the 500 steps of steepest descents method and 500 steps of conjugate gradients . The Vanderwal contacts were eliminated, and the energy of the static electric interation and hydrogen binding were adjusted

优化工作用PROLOOP程序，将活性中心附近LOOP前后的有关残基构象进行最佳拟合，并采用GROMOS软件包中的能量优化程序，作500步最陡速降法及500步共扼梯度法进行优化，彻底消除范德华半径重叠，并进行原子间静电和氢键作用的优化调整，最终得到UK-B链最优结构。

The calculation and tests of vibration strain mode on a frame structure model to detect the damage of joints are presented in this paper.

通过对某7层钢制框架结构节点损伤的数值模拟和模型试验，利用应变模态在结构损伤前后的相对变化进行框架结构节点损伤的诊断。

To explore the function of PDE in canine central nerve , gene expression of 18 PDE subtypes in different fractions of canine central nerve (cerebrum,cerebellum,myelencephalon and spinal cord) were detected by RT-PCR,and PDE activity was calculated by the content changes of cyclic nucleotides before and after the PDE reaction examined by high performance liquid chromatography.

为探明磷酸二酯酶(phosphodiesterase，PDE)在犬中枢神经活动中的作用，采用反转录聚合酶链反应检测18个PDE亚型在犬中枢神经不同部位中(大脑、小脑、延髓和脊髓各段)的表达分布，以高效液相色谱法检测环核苷酸在酶反应前后的含量变化，计算PDE活性。

It has been proved that the natural frequency changes of structures contain the information such as location and degree of structural damage.

理论分析表明结构损伤前后的固有频率的变化包含了结构损伤位置和程度的信息。

With this new firmness, southern lawmakers fought to make slavery legal in the new territories.

在1860年前后的几年里，越来越多的美国人卷入到奴隶制的争论中。

It also provides protection of cell organelle and target sites from chemical or physical stimulations.

在纳米水平上研究细胞表面的基本结构及其受外界环境作用前后的变化，对于认识细胞表面结构与功能之间的关系，全面评价药效并对药物合成路线提供参考都具有重要意义。

The ablation properties were tested in an oxyacetylene torch. The phase composition and morphology of the composites were investigated by XRD and SEM, respectively.

用氧乙炔烧蚀测试材料的烧蚀性能， XRD测试材料烧蚀前后的物相组成，采用SEM观察材料的微观形貌。

Simulation results suggest the adaptability to the transient process, and the robustness to parameter perturbation.

通过实验仿真结果，我们可以看出该控制器对折叠翼导弹变化前后的模型变化和脉冲干扰确实具有良好的适应性，以及对模型参数变化的鲁棒性。折叠翼；侧向过载；滑模变结构控制

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。