动态的

Furthermore, the information dissemination of several topologies is analyzed theoretically, and the statistical properties of canonical topologies and varying neighborhood topology are analyzed from graph theory.

针对传统粒子群优化算法中全连接型拓扑和环形拓扑的特点，引入了一种粒子群信息共享方式——多簇结构，进而基于多簇结构提出了动态可变拓扑策略以协调动态概率粒子群优化算法的勘探和开采能力，并从理论上分析了最优信息在各种拓扑中的传播，同时从图论角度分析了几种经典拓扑以及动态可变多簇结构的统计特性。

Based on the dynamic stress optic law and by making use of the stress values from strain measurements and BEM calculation, the history of birefringent fringe orders are calculated, and compared with the result of dynamic orthotropic photoelasticity.

把动态应变测量推算出的应力分量以及时域边界元计算出的应力分量分别代入正交异性动态应力－光性定律，得到随时间变化的双折射条纹级数历程，将其与正交异性动态光弹性实验的结果进行比较。

The relationships between the frequency characteristics of type Ⅱ servosystem and dynamic performances are studied. An approch to dynamic design of RDC is proposed and experimental results have demonstrated that this dynamic design method is effective.

从动态分析的角度出发，文中导出了跟踪型轴角数字转换器的动态数学模型，探讨了典型Ⅱ型伺服系统频率特性与跟踪性能指标的关系，进而给出了转换器的动态参数设计方法。

Of the system build the appreciation characteristic around brim area land and land to use dynamic replace law, pledge through land of area of subtense predestined relationship the trends of quantity and price is evaluated, the dynamic replace trend that land of imitate brim area uses, on this foundation, face brim area from zoology environment benefit, society benefit and economic benefits tripartite already some land benefit undertake analyse and be adjustmented with the program, put forward to run measure accordingly.

系统的建立围绕边缘区土地的增值特点和土地利用动态更替规律，通过对边缘区土地质量和地价的动态评价，模拟边缘区土地利用的动态更替趋势，在此基础上，从生态环境效益、社会效益和经济效益三方面对边缘区已有的土地利用规划进行分析和调整，并据此提出治理措施。

Significance of Dynamic Enhanced MRI in Differential Diagnosis of Radiofibrosis and Recurrent Nasopharyngeal Carcinoma at the Basilar Clivus

本研究对放疗后纤维化与复发的枕骨斜坡进行动态MRI检查，旨在了解这两种枕骨斜坡的动态增强特点，探讨动态增强MRI技术在鼻咽癌放疗后枕骨斜坡纤维化与复发的鉴别诊断中的价值。

Results The high peak and low peak of 24 hour ambulatory blood pressure appeared in the morning and at night in all three groups, but the blood pressure curve was planter in NIDDM and the percentage of disappeared diurnal rhythm of ambulatory blood pressure (blood pressure at nignttime falls less than 10%) was 66%, higher than in EHP (54%) and normal control (50%), the damagement of autonomic nerves appeared in 75%of NIDDM and 69%of EHP, but no relationship was observed between ambulatory blood pressure and urinary protein excretion rates.

结果 三组受试者服药前动态血压皆有昼高夜低的规律，但NIDDM的动态血压曲线更平坦；且昼夜节律消失(夜间血压下降低于10%)发生率为66%，高于EHP(54%)和正常对照组(50%)；NIDDM和EHP组分别有75%和69%的患者出现不同程度的自主神经功能损伤，但动态血压与尿蛋白排泄率间无相关性。

The process was introduced. The Static and Dynamic performances were simulated. Through this process the Static and Dynamic curves were graphed. At the same time, the differences between the model and the CNG-engine Higher Depressed Valve were analyzed in the Static and Dynamic performances.

对该模型的建立过程进行了详细的阐述，并且进行了静态和动态仿真，通过仿真得到了静态特性曲线和动态特性曲线，同时通过对这些曲线的分析，阐释了模型与实际天然气高压减压阀在静态和动态特性上的差异。

The static and dynamic characteristics of the beam of a gantry-type machining center are analyzed by means of ADAMS and ANSYS. Considering effect of gravity and cutting forces, the static deformation of the beam is obtained after calculating the interacting forces between the guide and the slide block by ADAMS. Moreover, the contact parameters of the guide surface are acquired by dynamic tests and parameter identification, then they are applied to the simulation model of the beam-slide box system, whose natural frequencies and modal shapes are achieved by modal analysis. Furthermore, the effect of changes of the contact parameters on the dynamic behavior of the beam-slide box system is also investigated.

对一种国产龙门式加工中心的横梁关键部件，采用机械系统多刚体动力学仿真软件ADAMS和有限元分析软件ANSYS进行了静动态特性分析；在考虑重力和切削力作用下，由ADAMS计算出导轨与滑块间的作用力，从而计算出横梁部件的静态变形；通过动态测试和参数辨识方法获得导轨结合面特性参数并将其应用到横梁滑箱系统整体有限元模型中，经过模态分析得到系统固有频率和各阶振型图，并进一步分析了结合面参数变化对横梁滑箱系统整体动态特性的影响。

Study on the rubber stator compoundof one step injection screw drilling tool;2. he paper presents a test method to research the dynamic property of the rubber stator for screw pump,compares the result of static and dynamic tests and selects the formulation according to the tests.

提出研究螺杆泵定子橡胶动态性能的试验方法，对静态试验及动态试验结果进行对比，并应用其试验对配方进行筛选，结果表明，橡胶压缩温升试验能较好地表征螺杆泵定子橡胶的动态性能，为橡胶定子的研究提供了较为可靠的依据，并在实际应用中得以证实。

In later following experimental researches performed, this paper summarized the approaches applied to the time-domain and frequency-domain analysis of dynamic pressure and dynamic chemiluminescent density.

然后总结了燃烧室中热声振荡的相关判据和驱动和阻尼机理以及理论和模型分析方法。并阐述了本文的实验研究应用的动态压力和动态化学发光强度等动态数据的时域和频域分析方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。