...道中，我们应用双中间的持续畸变波函数来描写靶核和价电子对入射正电子的库仑互相感化；而在出射通道中，我们应用程函（Eikonal）波函数来描写碰撞后残剩靶查对正负电子偶素的库仑畸变影响。
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eikonal equation [物] 程函方程 ; 镜像方程 ; 程函系数
eikonal approximation [理物] [核] 程函近似 ; 相函逼近
eikonal function 光程函数 ; 程函方程
angle eikonal 角相〔位〕程函 ; 角相函
focal eikonal 焦点程函
eikonal coefficient 程函系数
Seidel eikonal 塞德耳程函
eikonal model [高能] 程函模型
Focal shifts in diffractive Fresnel lens are measured. The result is closer to the theory given by generalized eikonal.
实验测定了波带板的焦移，接近与广义程函数理论。
More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.
当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。
A new technique is given here, which combines partial algorithm with scanning algorithm and obtains wave arrival times by solving eikonal equation with the use of finite difference method.
本文提出一种将局部算法与扫描算法相结合的、用有限差分解程函方程求取地震波初至时间的方法。
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