查询词典 geometric

The element rigidity equation of spacial beam element was deduced using nonlinear geometric equation and total potential energy with stationary value, and the characteristic equation of the first type stability.

利用非线性几何方程和总势能驻值原理推导了空间梁单元的刚度方程，并由此建立了第一类稳定问题的特征方程。3。

In order to optimize tolerance values for an assembly system, a model for geometric dimension tolerance optimization was established and an algorithm for optimal tolerance design was proposed. The algorithm is divided into two stages: at the first stage, design centering problem is solved and statistical optimization for further lowing the cost is solved at the second stage.

为优化装配系统中公差链的公差值，建立了几何尺寸公差的优化模型，并提出公差的分层优化设计算法：第一层，解决设计公称值居中的优化问题；第二层，解决进一步降低成本的概率性优化问题。

Point, line, plane and other geometric elements in space can be expressed by stereographic projection according to their spatial direction and occurrence; at the same time the author can read the orientation and attitude from the stereogram, so it can be used in rock mass engineering geology widely.

赤平极射投影可表示空间上的点、直线、平面等几何要素，根据它们的空间方向和产状可以作出赤平极射投影图，同时，可以根据赤平极射投影图，测读它们的空间方向和产状，因此在岩体工程地质学中得到广泛应用。

Through the analysis of southern, middle and northern sections in combination with the stereographic projection, the authors identified geometric features of the anticline.

中文摘要：阿其克背斜是塔里木盆地西南坳陷南缘的一个横向转换构造，该构造的特殊性在于其枢纽走向与造山带总体是垂直的，而非平行。

Classical instruments allowed in geometric constructions are the compass and straightedge .

几何的方法问题，几何或机械手段被称为合成几何。

Establishing a geometric model of pump shaft with Three-dimensional modeling software and considering force condition to determine the boundary Conditions, after a reasonable simplification, then the modeling is inputted for ANSYS strength analysis combined with the traditional strength theoretical calculations of the shaft to get the result of stress and strain calculations and static stress and strain diagram.

应用三维造型软件建立了泵轴的几何模型，经过合理的简化，分析受力情况确定边界条件，在ANSYS软件中进行分析，结合传统的强度理论计算对泵轴的强度进行了计算和求解，得到了应力和应变的计算结果。

Researchment on Cable Dome begin with the Concept Design, which including geometric stability, ratio of rise to span, space between struts, height of struts, space between strop, inclination between ridge cable, etc.

对索穹顶结构设计技术的研究首先从概念设计开始，概念设计包括结构的几何稳定性判断、跨度和矢高的关系、压杆的间距、压杆的高度、环索的间距、脊索间夹角等，后面几个部分其实也可以归结为结构几何参数的优化问题。

Instead, Space Fortress looks a lot like the very first arcade games, with geometric shapes subbing for spaceships and buildings.

它看起来更像早期的街机游戏，用几何形状代替太空飞船和建筑。

The game isn't exactly Halo or Assassin's Creed. Instead, Space Fortress looks a lot like the very first arcade games, with geometric shapes subbing for spaceships and buildings.

严格地说，"太空堡垒"游戏不象"光晕"或"刺客信条"之类的游戏，相反，它很象最初的街机游戏，用几何图形代替太空船和建筑物。

For example, geometric series can be used to evaluate the sum of power series and can be used to determine the convergence of other series.

例如可以用几何级数来解决幂级数的求和问题、以及用它作为优级数来判定其他级数的收敛性等等。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？