振动型

Because of the thin thickness, the skin of gun-bay structure, the frame plane, the oil tank floor, and the plane that hold up the smoke of aircraft gun is considered as shell element.

运用Lanczos算法对炮舱结构有限元模型进行模态分析，得到炮舱结构前20阶的固有频率和振型，分析前6阶频率下炮舱整体结构以及炮梁的振动特点。

In this paper, the finite element method was applied to the vibration characteristic analysis for the upper bracket and head cover of a certain large-scale hydropower generator unit.

采用有限元法对某大型水轮发电机组的上机架和顶盖结构进行了振动特性分析，得到了结构的自振频率和相应的振型，结果表明：顶盖产生共振的可能性较大，应加以预防。

We also calculate the vibration frequencies in order to investigate whether the system correspondes to stable geometries.

通过计算不同体系的振动频率，确定得到的结构是否对应于体系的稳定构型。

Production there is connection of submersible pump cables, submersible pump cables, leaf guide pulley, insulation tape, electrical protective device, the electrical protection device, such as electric current logger unit fittings; compound of oil and gas separator, oil wells sealed to fine-tune anti-theft devices, oil wells series of sacrificial anode cathodic protection, and solid paraffin Jiangnian device, pump, wellhead equipment, such as downhole tools; XLPE cables, PVC insulated non-sheathed cables, PVC insulated sheathed cable, rubber cable sets Products such as wires; vibration extraction technology, oil wells, chemical plugging damaged casing technology, bionic ball-drive technology to improve the transfer agent, crude oil demulsification and sewage treatment technology and other technical services oil wells; ZJ series trailer rig and the whole device ; oil special vehicle category; workover solid pressure testing special types of vehicles; transport engineering a total of eight special vehicles such as more than 100 kinds of products, leave clearance to major oil fields.

公司生产有潜油泵引接电缆、潜油泵电缆、叶导轮、绝缘胶带、电机保护器、电机保护仪、电流记录仪等电泵机组配件；复合式油气分离器、油井防盗密封微调器、油水井系列牺牲阳极阴极保护器、固体降粘防蜡器、抽油泵、井口装置等井下工具；交联聚乙烯电缆、聚氯乙烯绝缘无护套电缆电线、聚氯乙烯绝缘护套电线、橡套电缆等电线产品；振动采油技术、油水井套管破损化学堵漏技术、仿生球型改进剂调驱技术、原油破乳及污水处理技术等油水井技术服务项目；ZJ系列钻机及其整拖装置；采油类特车；修井测试固压类特车；运输工程类特车等共八大类100多种产品，销假往国内各大油田。

In this paper, model of vehicle with double axes is used to study the vibrations of vehicle-bridge dynamic interaction system. The active control law based on linear optimal control theory is designed, In which the transient power flow and displacement at mid-span of bridge are accounted separately.

本文采用能更加逼近真实车辆的双轴车辆模型，应用线性最优控制理论，采用可有效控制一阶振型的双臂弯矩控制系统，分别以双轴车辆输入桥梁的瞬时功率流和桥梁的跨中位移振动响应为目标函数来设计控制律。

Theeffects of mistuning on the forced response are also analyzed in the frequency veeringregion. The outcomes of this dissertation improve the fundamental theories of thevibration localization of the mistuned bladed disk.

研究表明：在频率转向区中，叶盘系统模态高度密集，从而更容易导致叶盘系统产生较强的模态振型和振动响应的局部化。

According to the structural properties of tuning blade-disk assemblies, the matrix perturbation method is used to analyze the influence of mistuning on the natural vibration characteristics. The formulas for perturbation values of first and second order are derived.

根据谐调叶盘的结构特点，用矩阵摄动法分析了失调对叶盘固有振动特性的影响，推导了孤立特征值和密集模态组二种情况下固有频率和振型的一阶、二阶摄动计算公式。

At the same time, we calculated IR for the steadiest configuration, quercetin and the criteria models.

并给出了最稳构型、槲皮素和标准结构(1)和(2)四个同分异构分子的振动光谱。

The quality of well-equipped, including advanced energy dispersive X-ray fluorescence analyzer, salt spray test machine, projection for expansion, vibration testing machine and vacillating test machine, wearable rub tester, constant temperature and humidity test machine, Taiwan sunny electro-acoustic instrument, and so on, each one products have to undergo a rigorous the quality inspection before shipment to ensure that the products of high quality, high reliability.

公司的质量检测设备齐全，包括先进的能量色散型X射线荧光分析仪，盐雾试验机，投影扩大仪，振动试验机，摇摆试验机，耐磨擦试验机，恒温恒湿试验机，台湾阳光电声仪等等，每一个产品均经过严格的质量检测才能出货，保证了产品的高品质，高可靠性。

The Company has introduced advanced detection means such as CNC injection molding machine, lamp assembly lines, AX-V6 glue manipulator system, ZCM-1688A-type lamp coating machine, UV light curing system, ZZ1688-56PI decorations high vacuum coating equipment, heat-curing system, hot plate welding machine, ultrasonic welding machine and other specialized production equipment and integrating sphere, J-25A mechanical shaking table, YMX/Q-250 salt spray corrosion test chamber, DSH-1 motor with optical properties of lighting analyzer, LX-010 rain chamber, GFY-A reflection facula miriam, KZ500 motor performance testing system, etc.

公司引进了国内外先进的电脑数控注塑机、灯具装配流水线、AX-V6机械手涂胶系统、ZCM-1688A型车灯镀膜机、UV光固化系统、ZZ1688-56PI高真空装饰镀膜设备、热固化系统、热板熔接机、超声熔接机等专用生产设备及积分球、J-25A机械振动台、YMX/Q-250盐雾腐蚀试验箱、DSH-1机动灯具配光性能分析仪、LX-010淋雨试验箱、GFY-A反射光斑仪、KZ500机动车配光性能测试系统等完备的检测手段。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。