查询词典 hyperbolic cotangent

Therefore, in this paper, a newempirical creep model is proposed, in which the power function is used for shear stress-strain behavior and hyperbolic function is used forstrain-time behavior.

鉴于此，本文试图建立新的蠕变本构模型进行理论分析，即应力-应变关系采用幂函数，应变-时间关系采用双曲线函数。

A theoretical model for predicting ground displacement and deformation due to mining of phosphate body in Wenjiaping by using hyperbolic tangent function was given in this paper.

针对文家坪磷矿地下开采岩体移动变形问题，给出了用于预测分析地下开采引起地表移动变形的双曲正切函数模型。

Tree's volume; biomass; nonlinear least-squares regression; power function model; hyperbolic function model

材积；生物量；非线性最小二乘回归；幂函数模型；双曲函数模型

During the stage with steady pressure, the strain-time curve can be fitted with hyperbolic function; and the influence of loading rate on the strain-time behavior in this stage is obvious.

基于静三轴仪，进行控制不同加载速率的连续加载K0固结试验，研究连续加载条件下K0固结过程中土体的变形特性及加载速率的影响。

So what is this hyperbolic geometry that corals and sea slugs embody?

所以，这种珊瑚和海蛞蝓所体现的双曲几何到底是什麼？

GPLconx - GPLconx is an educational visualization tool that allows exploration of lines and conic sections in three models of 2-D hyperbolic geometry.

GPLconx是一个教学可视化工具，可以观看2D双曲线几何体的三种模型的线条和二次曲线部分。

The miniaturization of the ion trap was achieved by using smaller pumps, a smaller vacuum system and lower RF voltage, as well as a simplified trap geometry (from hyperbolic to cylindrical, then to rectilinear).

离子阱的小型化是通过应用小型真空泵、小型真空系统及较低的射频电压和简化阱结构（从双曲线离子阱到圆柱型离子阱再到矩形离子阱）来实现的。

The theorems of Ibn al-Haytham, Omar Khayyam and Nasir al-Din al-Tusi on quadrilaterals , including the Lambert quadrilateral and Saccheri quadrilateral , were the first theorems on elliptical geometry and hyperbolic geometry , and along with their alternative postulates, such as Playfair's axiom , these works had a considerable influence on the development of non-Euclidean geometry among later European geometers, including Witelo , Levi ben Gerson , Alfonso , John Wallis , and Giovanni Girolamo Saccheri .

定理伊本Haytham，欧玛尔海亚姆和纳西尔基地丁铝土司上quadrilaterals ，包括德兰伯特四边形和萨凯里四边形，是第一个椭圆形的几何定理和双曲几何，并连同其替代假设，如普莱费尔的公理，这些作品有相当发展的影响非欧几里德几何之间稍后欧洲geometers ，包括Witelo ，列维本格森，阿方索，约翰瓦利斯和乔瓦吉罗拉莫萨凯里。

However, some properties of laser beams limit its further application. For example, its intensity distribution is Gaussian profile, not uniform one. And propagation path is hyperbolic line, not straight line.

激光束的光强呈高斯分布而不是均匀分布，它的传播路径是双曲线而不是直线，这些特性在某种程度上限制了它的应用。

By contrast, it is proved more superior that the spline curve is used to match hyperbolic line instead of arc, and the problem about drawing of hex nut is solved in AutoCAD which was adopted in textbook of engineering drawings.

解决了工程制图中螺母近似画法在AutoCAD中应用时出现多线相交的问题，从而可以在符合实物投影的基础上形成一个比较好的统一改进近似画法规范。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。