查询词典 element of surface

By the general method and the finite element analysis, the distributing situation of the stress gradient on the oil cylinder has been gained.

采用常规方法和有限元分析，确定油缸上应力梯度的分布情况。

This paper studies on the impression cylinder of J2108 offset press. With finite element method, deflection character of cylinder is achieved in static and dynamic load. Active-compensation to improve flexing-change of cylinder is bring forward, and its compensation character is simulated.

本文以J2108型胶印机压印滚筒为研究对象，通过有限元分析获得滚筒动静态挠曲特性，提出用主动补偿方法改善滚筒挠曲变形，并仿真分析了补偿特性。

Referring to the function of cylindrical lens and the principles of holographic optical elements, we make this holographic element, which can achieve the optical function of cylindrical lens, and have the advantage of large-scale, short focal length and well-distributed light energy, in order to meet the requirements of laser direct writing synthetic holograms.

实验结合激光直写合成全息拍摄时所需柱面透镜的功能，参考全息光学元件的制作原理来制作图像柱面压缩全息光学元件，实现柱面透镜的光学功能，并使元件具有大面积、短焦距、会聚光均匀分布的特点，满足激光直写合成全息拍摄对图像的需求。

According to the structural feature of parallel single disk gate valve,the strength and rigidity of body will be calculated with finite element method,and with cylindroid shell theory .

根据主闸阀结构特点，分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度，并进行了分析对比，同时对闸板的刚度进行了校核。

Learning from Soviet Union policy of China have funded the present system of developing talented children and eventually trained piano instructors with ideas of the school of Russian piano, which is a critical element of the reason why China's piano performing is cynosure nowadays.

中共「学习苏联」的政策，奠定了现今培养具有音乐天赋儿童的制度，并培养出以俄国钢琴学派的演奏观念为教学依据的钢琴教育家，是中国钢琴演奏现今受到国际舞台上肯定的一个重要因素。

THERE IS ALWAYS SOMEONE OUT THERE WAITING FOR YOU TO JUMP IN THE CYPHER AND THE ELEMENT OF SURPRISE CAN BE THEIR BEST WEAPON.

人外有人，永远都会有比你更强的对手站在竞技场上等待你跳进来与他一决胜负，而惊喜永远都有可能是他最好的武器。

THERE IS ALWAYS SOMEONE OUT THERE WAITING FOR YOU TO JUMP IN THE CYPHER AND THE ELEMENT OF SURPRISE CAN BE THEIR BEST WEAPON. REMEMBER ANY GIVEN SUNDAY?

人外有人，永远都会有比你更强的对手站在竞技场上等待你跳进来与他一决胜负，而惊喜永远都有可能是他最好的武器。

The model of a collection of illustrative plates of serum protein dactylogram that conclusion builds can distinguish uremic patient and health person, the respect such as the filtration of the SELDI-TOF-MS diagnosis in uremia and element of mark of particularity protein biology has fair value.

结论建立的血清蛋白质指纹图谱模型能够区分尿毒症患者和健康者，SELDI-TOF-MS在尿毒症的诊断及特异性蛋白质生物标志分子的筛选等方面具有一定价值。

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先从理论和数值模拟研究了天然气在水平井油管柱内的流动诱发油管柱振动的机理，然后在合理假设的基础上结合某水平井数据建立了全井段油管柱无阻尼和有阻尼振动系统模型，利用有限元软件计算分析了油管柱固有特性、稳产简谐动力学响应和非线性动力学响应，针对油管柱振动规律提出了天然气安全调节频率范围和减振措施。

In this paper, passive damping techniques with piezoelectric element are investigated.

本文研究了利用压电元件的压电效应，对结构的振动进行被动控制的方法。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。