查询词典 dimensional analysis

According to this argument, similar to one-dimensional two-phase flow, the vapor's drift velocity in multi-dimensional two-phase flow is supposed to be a function of the modified acceleration .

上述研究成果得到了国际同行的高度评价，并据此开辟了分析多维、多成分、多相流漂移流率模型研究的新领域，研究成果对发展多相流数学解析模型有重要的理论意义，在工程上有重要的应用前景，研究工作取得了起过预期目标的重要成果。

The bar code technology has abroad applied in transportations, bussiness, medical treatment, manufacturing, storage, postage fields and so on. The bar code technology has improved the speed of data collection and information processing, increased the work efficiency, now one-dimensional bar codes are most widespread, but the information which one-dimensional bar codes stores is limited, this is also its most weakenss.

条码技术自出现以来，得到了人们的普遍关注，发展十分迅速，已广泛用于交通运输、商业、医疗卫生、制造业、仓储业、邮电业等领域，极大的提高了数据采集和信息处理的速度，提高了工作效率，并为管理的科学化、信息化和现代化作出了贡献。

In the numericalstudy, three-dimensional elastodynamics equations and Morison equation are applied tosimulate the time histories of dynamic response of submarine pipelines suspended over flatbeds sucessfully. The three-dimensional interaction of pipeline and internal flow isnumerically simulated by applying the iterative computation to the fluid-structure interfacesand using the elastodynamic equation and the incompressible fluid N-S equation andcontinuity equation.

在数值研究方面，本文利用三维弹性动力学方程，结合莫里森方程，较好地模拟了规则波浪作用下近壁悬跨弹性海底管线动力响应过程，结合不可压缩流体N-S方程和连续方程，进行管线及其内部流体的三维流固耦合数值计算，基于数值计算结果探讨内流管线系统的动力特性和管内流体特征。

In Chapter 2, the two dimensional electron gas in heterostructures and the state density of the low dimensional electron gas are presented.

第二章给出了在异质结中二维电子气的形成过程，以及低维电子气的态密度。

In Chapter 2, the of two dimensional electron gas in heterostructures and the state density of the low dimensional electron gas are presented.

第二章给出了在异质结中二维电子气的形成过程，以及低维电子气的态密度。

Second,around each of m-dimensional tori of elliptic or mixed type there arehigher-dimensional invariant tori.

第二，环绕在m维椭圆型和混合型环面的周围存在维数更高的不变环面。

The last time when the valves open and close the boundary condition equation and heating systems in the other boundary condition equations, one-dimensional unsteady flow equations of motion and the joint solution of continuity equation, we can find the non-dimensional opening when the valve changes, heating system to calculate changes in surface pressure.

上回阀启闭时的边界条件方程与供热系统中的其它边界条件方程、一维不定常流动的运动方程和连续方程联解，就可以求出当止回阀无量纲开度变化时，供热系统各计算截面压力的变化情况。

This thesis analyzes the energy eigenvalue and of the Harmonic oscillator with a one-dimensional δ-function, makes a comparative study of those of the one-dimensional harmonic oscillator, and analyzes the reason which causes their different quality and the different influences to the eigenvalue of the even parity energy and to the wave function when the number of the "Z" is different.

本文研究了一维δ势场中的谐振子的能量本征值及其本征波函数，并与一维谐振子的能量本征值和波函数进行了比较，分析了它们的性质不同的原因以及取不同势参数Z值时对偶宇称能量本征值和波函数的不同影响。

This software take full advantage of the multimedia technique , especially the three-dimensional animation, to open out the abundant meanings and scientific theories in structural chemistry by using lush graphical interfaces, lifelike animation, lifesome sound effects, alluring exhibitive technique, translate bald contents and nonobjective theories into visual, direct-viewing, lively demonstration, change static and plane teaching method into dynamic and three-dimensional teaching process with attraction and infection, realize visual and enlightened teaching.

本软件充分应用计算机多媒体特别是三维动画制作技术以丰富的图形界面、逼真的视频动画、生动的音响效果、引人入胜的表现手法揭示了结构化学中包括的丰富内涵和科学原理，将原来枯燥的内容和抽象的理论转变为形象、直观、生动的演示，使以前静态的，平面式的教学变为动态的、三维立体的教学过程，具有吸引力和感染力，实现了形象化、启发式教学。

By extending the square map, a one-dimensional generalized square map with exponential factor is constructed, and its corresponding two-dimensional map is obtained via one-order coupled item in this paper.

由平方映射延伸构造出了一类含指数项的广义平方映射，并由一维映射通过一次耦合项得到了二维映射。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。