入射

Hence, based on acoustic potential function and boundary condition on solid interface, we get reflection coefficient and refraction coefficient of longitudinal wave and transverse wave on solid-solid interface, and provide approximate formula of the reflection coefficient and the refraction coefficient about the first critical angle of incidence. We analyze relation between the refraction coefficient and acoustic impedance.

为此，基于固体介质的声势函数和界面的边界条件，推导了固-固界面纵横波的反射系数和透射系数，以及第一临界角入射情况下反射系数和透射系数的近似公式，并且分析了透射系数与声阻抗之间的关系。

In reality, what happens is that not all of the original incident ray is reflected in the same direction.

实际上，发生的是并不是全部入射光线的反射都是有相同的方向。

Below you can see a white incident ray of light, which is reflected off a blue floor.

在下边在图1中，你能看白色的入射光通过地板后反射成蓝色光线。

The angle between an incident ray and the normal to a reflecting or refracting surface.

入射光与照射在反射或折射平面上的正常光线之间的角度。

Three factors of restraining speckle noise in detection system, coherence ,phase difference and polarization of the incident ray,were analyzed in detail, and the relations between these factors and speckle contrast were also presented.

对采用激光照明的测量系统中散斑形成的三个重要因素，即入射光束的相干性、相位差和偏振特性进行了详细的理论分析，并给出了这些因素与散斑对比度的变化关系。

The guide process of incident ray inside tapered optical fibers was depicted by optical waveguide theory.

应用纤维光学理论分析了入射光在锥形光纤探针中的传播过程。

This paper analyses several factors which affect the highlighting effect of organic materials with Monte Carlo simulation method, including energy of the incident ray, dimension of the target material, dimension and position of detector, working mode of detector.

本文通过蒙特卡罗仿真方法，分析了影响有机物加亮效应的若干因素（包括入射射线能量、被检物体尺寸、探测器大小与位置、探测器工作方式），为背散射成像系统设计提供了参考。

As the film sample is fixed on one plane by tighten bolt,this device can realize the deflection of optical path.And the reflectivity of the sample is measured by using oblique incident ray.

使用该装置并通过平面和样品背后的顶丝固定薄膜样品的安装方式，可实现光路转折，完成斜入射光对薄膜样品反射率的测量。

An incident wavefront of light makes an angle of 60°with the surface of a pool of water.

一束入射光的波前和水塘表面成60°角。

The intensity distribution is closely related to ACF of incident wavefront.

干涉场的强度分布是与入射波面的自相关函数密切相关的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。