说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 时距曲线的回线(地)
1)  loop of time distance curve
时距曲线的回线(地)
2)  hodochrone
[地]时距曲线
3)  curve of time distance
地震时距曲线
4)  time distance curve
时距曲线
1.
After discussing the time distance relalionship of the reflection wave in the conditions of the two layer level interface and the continuous distribution of the medium speed, the author gives us the equation of the time distance curve of this model.
讨论了2 层水平界面,介质速度连续分布下反射波时距关系,给出了时距曲线方程。
5)  Time-Distance Curve
时距曲线
1.
Corresponding time-distance equations are derived and the time-distancecurves are presented in comparison with the time-distance curves obtained over a horizontallayered earth.
在一个或多个直立速度界面的地质条件下,讨论了折射波的传播路径,推导出折射波的时距方程,给出时距曲线。
2.
By comparing two calculated time-distance curves based transversely isotropy medium and isotropy medium, respectivly, the validity and accuracy of segmental iteration ray-tracing method are proved and show that it is a effective and practicable ray-tracing method as it is applicable for any .
用一种逐段迭代的射线追踪方法对其进行走时正演,得到了相应的时距曲线。
3.
The least square method is used to build a linear fitting model,and a simple linear fitting is given to calculate v2 through the time-distance curve.
本文介绍利用最小二乘法建立线性拟合模型的过程,并给出一个利用一元线性拟合,实现用相遇观测时距曲线求V2的实际应用。
6)  hodograph [英]['hɔdəgrɑ:f]  [美]['hɑdə,græf]
时距曲线
补充资料:渐屈线(平面曲线的)


渐屈线(平面曲线的)
evohite (of a pbne curve)

渐屈线(平面曲线的)【e,浦血何a内I此。口,e);”。几犯-Ta.月oc,0.鱿P二o面」 已知曲线7的曲率中心的集合下.若r二r(s)(其中、是7的弧长参数)是7的方程,则它的渐屈线的方程有如下形状: *r+去,,其中k是曲率而,是下的单位法向量.下图显示了三种典型情形下渐屈线的构造: a)若沿整条曲线k’有固定符号且k不为零;今赚条‘b S0 图c b)若沿整条曲线k’有固定符号且k在s=s。处为零; e)若对于s0;对于s>50,k‘<0:k‘(50)二0,并且k不为零(渐屈线上对应于s“s。的点是尖点). 与下的曲线段sl簇s毛s:对应的渐屈线的弧长是 ‘(S,一)一}共一共}. 】火气52)凡气s,)1渐屈线是下的法线族的包络.曲线7称为它的渐屈线的渐伸线(见渐伸线(平面曲线的)(e明习硫mt(ofap】anec山、吧))).八.八.Cb盆o月o“撰【补注】若犷是下的渐屈线,则下是丫的渐伸线,见渐伸线(平面曲线的)(e铂1卿t(of aP妞叱c透ve)).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条