双曲线

双曲线逐渐接近它的渐近线但不相交。

A hyperbola approaches but does not meet its asymptote .

含氯量和孔隙度之间的关系图式也许近似于一条双曲线。

The relation between the chlorinity and porosity may be approximated by a hyperbola .

基于双台链罗兰C导航仪的双曲线导航定位算法

The calculation research of hyperbolic navigation position fixing based on double station chains Loran C navigator

则会得到一个正交双曲线，原点与它最接近的点之间的距离是r。

You will have drawn a rectangular hyberbola whose point of closest approach to the origin is r.

针对土的双曲线模型和DP模型进行了研究，并用数值模拟方法对算例进行了分析。

According to the hyperbolic model and D P model of soils in this paper the numerical simulation is used to analyze calculation examples .

讨论了摆线、圆、正弦曲线、双曲线和悬链线等特殊曲线的规范B基表示问题。

Lastly , the representation of special curves by normalized B-basis is given , such as cycloid , sinusoidal , catenary and exponential curves .

MgO微膨胀混凝土自生体积变形的双曲线模型

The hyperbola model for autogenous expansion volume deformation of MgO concrete

SIEMENS数控车床上通用双曲线零件加工程序的编制

Programming for Machining Hyperbolic Parts in SIEMENS Computerized numerically Controlled Lathe

三次系统E3~1存在四角形双曲线分界线环的充要条件

A necessary and sufficient condition of the existence of the quadrilateral hyperbolic separatrix cycles for the cubic system E_3 ~ 1

VTI介质中反射P波时距曲线一般不再是双曲线。

The traveltime-distance curve of reflected P-wave in VTI media is not hyperbolic anymore .

为了能得到精确、清晰的心脏边界，本文使用了双曲线函数增强处理，选择常数C为0.5或1。

In order to obtain the exact and clear image edge of a heart , the enhancement with hyperbolic function is used in which the constant C is0.5 or1 .

试验结果表明：①PS波在波形记录上有明显的同相轴显示，并呈双曲线形状；

The experiment result shows the following properties : 1 . PS wave events in hyperbola form are obvious .

SSI效应对大型双曲线冷却塔结构抗震性能的影响

Influence of SSI effect on aseismic performance of hyperbolic cooling tower

具有与两坐标轴均相切的双曲线解的Kolmogorov三次系统E3~2轨线的拓扑分类

Topological classification of the trajectories of Kolmogorov cubic system e_3 ￣ 2 with hyperbolic solution which contact both axes

c，φ值随固结度U的增加而增加，但增加的幅度逐渐减小，且不呈线性关系，可以用双曲线关系模拟。

The values of c ,φ increase with the increase of consolidation degree , but the increments gradually decrease nonlinearly . And may be simulated by a hyperbolic function .

如果你们看这里所有的双曲线的话，xy等于常数。

Well , if you look at all these hyperbola 's , xy equals constant .

具有以双曲线与赤道弧为边界的周期环域的二次系统的Poincare分支及其应用

Poincare Components of Second Order System and Applications

两种草杂的种群密度（X）与甘蔗产量损失率（y）之间的关系呈双曲线关系。

The results indicated that there existed hyperbola relationships between the density ( X ) of two weed 's communities and the impairment loss percentage ( Y ) of sugarcane yield .

沥青混凝土具有弹塑性变形的特征，其应力应变曲线基本符合双曲线模型（DuncanChang）；

It has the characteristic of elastic deformation and its stress-strain curve basically meets hyperbola model ( Duncan-Chang ) and ;

作为应用，给出了双曲线、双曲正弦曲线与指数曲线的UAHB样条精确表示。

As an application , hyperbolic curves , hyperbolic sine curves and exponentcurves are explicitly expressed by the3-order and4-order UAH B-splines .

双曲线边界二次系统单中心环域的Poincaré分支

Poincar é bifurcation for quadratic system with a bound of hyperbola and a single center

文中推荐VTI介质P波非双曲线速度分析及量板法两种方法，得到了较为实用、稳定的结果。

The paper recommended two methods for velocity analysis in VTI medium : non-hyperbolic P-wave velocity analysis and template method , which achieved practical and stable effects .

据此建立的双曲线方程可用来估算DOC含量和输出通量。

A hyperbolic equation can fit the data well and is able to predict the DOC content and flux based on flow measurements .

自制的时空频谱仪显示X波的时空频谱具有明显的双曲线型特征。实验结果验证了数值模拟有关椭圆X光子弹和移动X光子弹的结论。

And the hyperbolic structured spatiotemporal spectrum of output wave-packet is also observed via home-made spatiotemporal spectrometer . The experimental results agree well with numerical simulations on elliptic and walking X-shaped light bullets . 5 .

Rutherford散射公式及α粒子散射径迹是双曲线一分支的简明推证

Concise deduction on the Rutherford scattering formula and the α - particle scattering orbit being one of hyperbola

本文使用这种方法和双曲线法对天然地基断面和CFG桩复合地基断面的计算结果进行了比较，结果表明两种预测方法结果相近。

The method and the hyperbolic method are used in foreseeing the relationship of natural and CFG pile section . The results of two methods are approach .

具有双曲线解xy－1＝0的系统E13的极限环的存在性问题

A problem for existence of limit cycle in a system E 1 3 with a hyperbolic solution

Duncan-Zhang的E-B双曲线模型共有7个参数，依据试验数据并按比例分别增减每个参数。

The duncan - Zhang E - B hyperbola model includes seven parameters .

本文探讨了旋转抛物面的反射特性，指出了抛物面上任一点P的反射光锥与焦平面相截的截口曲线分别为圆、椭圆、抛物线、双曲线和两条相交直线。

Theoretical analysis of the reflective characteristics of paraboloidal mirrors has shown that the cross ─ section intercepted by the cone of light reflected from any point of the parabola with the focal plane would be respectively a circle , ellipse parabola , hyperbola or two cross lines .

基于Merchant粘弹性模型和简化双曲线模型，建立软土地基沉降的二维非线性粘弹性Biot固结有限元计算公式；

Two - dimensional formulas of nonlinear viscoelastic Biot 's consolidation FEM based on Merchant 's model and simplified hyperbolic model are presented to calculate settlement of saturated soft clay ground .