1) curve of time distance
地震时距曲线
2) hodochrone
[地]时距曲线
3) time distance curve of geodesic concussive detecting
测线震探时距曲线
4) Seismic time-distance curve
地震时程曲线
5) 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。
6) 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。
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
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参考词条