The main aspects are as follows:1. Derivate the resonance frequency equation according to the electro-mechanical equivalent circuit of sandwich transducer.
主要工作如下：1、根据夹心式换能器的机电等效电路图，推导了换能器的整体频率方程。
To make a mechanical mind, you need to make the equivalent of a mechanical thumb — a lateral approach that few appreciate.
要想形成机械思维，你需要制作一只机械“拇指”——这是很少有人欣赏的迂回前进的方式。
The risk of total systems failure was equivalent in the X-29 to the risk of mechanical failure in a conventional system.
失败的总系统的风险是在传统系统中的X - 29相当于机械故障的风险。
Using the equivalent mechanical model, this paper investigated multi-tank liquid sloshing problem.
用等效力学模型法研究了多腔体充液晃动问题。
This paper investigates the flexibility of the equivalent stochastic linearization (ESL) method as a tool for reliability analyses of nonlinear hysteretic structures with random mechanical properties.
本文讨论了随机等价线性化方法(esl)作为一种对考虑力学参数随机性的非线性滞回结构进行可靠性分析的工具具有的灵活性。
The lattice model combined with statistical methods is employed to analyze the equivalent macro mechanical properties of three dimensional two phase materials.
采用格形模型和统计方法分析了三维两相材料的宏观等效力学性质。
Taking account of motor rotating speed fluctuations, a system equivalent mechanical model is established.
考虑电动机转速的波动，建立了系统的等效驱动力学模型。
And, the spatial cable element with introducing equivalent elastic modulus was given to establish cable mechanical model.
采用空间索单元并引入等效弹性模量对拉索进行力学建模。
This paper studies the equivalent stiffnesses of elastic tripod mount of machinegun to provide the necessary mechanical parameters for reasonable dynamic collocation of the total machinegun system.
该文研究弹性枪架的等效刚度，为机枪系统合理的动力匹配提供必要的力学参数。
Mechanical engineering, vehicle engineering or equivalent major is required, Bachelor degree or above, 211 or 985 college graduates.
机械工程、车辆工程等相关专业，本科及以上学历，211或985院校毕业。
Ideal bone-repair materials should be of good biocompatibility and high bioactivity. Besides, their mechanical properties should be equivalent to or better than those of natural bone.
理想的骨修复材料，应当具有良好的生物相容性和高的生物活性，其力学性能与天然骨相当或稍优于天然骨。
The mechanical properties of mixed powder specimens were nearly equivalent to the ASTM for the PM compacts.
混合粉末样品的力学性能几乎达到美国ASTM粉末冶金的标准。
With the model, many parameters can be obtained such as water head, equivalent mechanical fissure width, seepage coefficient, and hydraulic gradient etc.
应用该模型可计算出二维裂隙网络中任意交点（内结点）的水头、等效水力隙宽、渗透系数、水力梯度等参数。
However, in existing norms, the mechanical properties of the two are equivalent, therefore, it is essential to further study the mechanical properties of hollow brick masonry and new expansion bolts.
但现行规范将二者的力学性能等同，因此有必要对空心砖砌体和新型膨胀螺栓的力学性能作进一步的研究。
University or equivalent degree in mechanical or railway engineering , advanced degree in railway truck engineering is preferable.
机械或铁路工程学本科或同等学历。铁路车辆转向架专业优先。
The sloshing dynamics of an arbitrary axisymmetric rigid tank is investigated under low-gravity conditions, and an equivalent mechanical model theory is analyzed in this paper.
本文研究了微重状态下任意旋转对称容器内液体晃动力学问题，分析给出了液体晃动的等效力学模型。
Some problems are discussed, such as the mechanical mode and equivalent stiffness of horizontal bracing system, the deformation compatibility between the bracing and retaining wall.
讨论了水平支撑体系的等效刚度、内支撑与围护墙的变形协调等问题。
By using the theory of optical propagation matrix, a simplified model that is equivalent to a mechanical Q-switched CO_2 laser is carried out.
运用光学传播矩阵理论，给出了一个机械调q二氧化碳激光器谐振腔的等效简化模型。
An equivalent circuit model of vibratory micro - machined gyroscope's mechanical properties is derived according to its working principle.
根据振动式微机械陀螺的工作原理，建立了其机械特性的等效电路模型。
The equivalent mechanical model of the structural nonlinear vibration and control systems was studied in this paper.
研究了结构非线性振动及其控制系统的等效力学模型建立问题。对结构进行等效线性化处理；
In this paper, the process of building the mechanical model of the isolated structure equivalent system is chiefly introduced.
本文主要介绍隔震结构等代体系力学模型的建立过程。
Through this equivalent stiffness, the mechanical model of wheel-tract system in the new light train with rubber wheels can is simplified by treated the rubber wheel as a tri-axial spring.
引入等效刚度系数，将轮缘橡胶等效为三向弹簧，从而简化新型轻轨列车系统的力学模型。
Test results with the new adhesives, including mechanical testing, primary adhesion and accelerated environmental testing show performance equivalent to the traditional products.
用新粘合剂进行了力学试验、初始粘合强度试验和快速环境试验，结果表明其性能与传统产品相当。
First, regarding the anchor and mortar as elastic body, the elastic parameters of equivalent anchor-mortar mechanical model are deduced.
首先将锚杆和砂浆视为弹性体，推导了锚杆-砂浆复合体等效力学模型的弹性参数；
The mechanical properties of SEBS product with microstructure having been optimized are equivalent to those of foreign similar products.
微观结构优化后的SEBS中试产品加工前后力学性能与国外产品相当。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
University graduate at Mechanical Engineering or equivalent, can use English for communication by email.
大专或以上学历，机械类专业，能用英文与客户进行电子邮件沟通。
University graduate at Mechanical Engineering or equivalent, can use English for communication by email.
大专或以上学历，机械类专业，能用英文与客户进行电子邮件沟通。
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