the ray

Applications show that the ray piercing method is an efficient way in mesh division.

实际运用结果表明，采用射线穿透法对记录实体信息的STL文件进行剖分是1种切实可行的办法。

The ray optics and wave optics methods for slab waveguides are also explained while the Marcatili's method and the effective index method are introduced for channel waveguides.

研究了平面平板波导的射线理论分析法和电磁场分析法，条形波导的马卡梯里法和等效折射率法。

The ray space based free viewpoint television ( FTV) system is reviewed.

对自由视点电视（FTV）实现技术的光线空间方法进行综述·比较了FTV的各种实现方法；

A Practical Compression Algorithm of the X Ray Images

一种实用的X射线灰度图像的压缩算法

The ray approach is adopted to study the acoustic field in theory, and the ultrasonic experiment has been carried out in laboratory to model the underwater waveguide.

理论上采用射线近似方法分析了时间反转声场特性，实验上在实验室内开展了水下波导的超声模拟实验。

In this paper, starting from the ray equation, by means of numerial compu-tation, we have get ray trajectories in GRIN rod lens with arbitrary index profile and then obtained the optimun structure parameters of the wavelength multiplexer when its insertion loss is minimum.

本文直接从光射线轨迹方程出发，数值求解任意折射率GRIN棒中射线轨迹，从而得到最低插入损耗下的最佳结构参量。

Use shortcut trace method to improve the ray trace efficiency

以捷径法提高射线追踪效率

A new method that can be conveniently applied to the ray tracing calculation for monoaxial optical components with spherical surfaces is presented.

本文提出一种方便应用于球面晶体光学元件的光路追迹计算方法。

The marginal ray cells are squared cells or upright cells.

木射线为单列或多列的异型射线，由横卧细胞、方形细胞和直立细胞共同构成。

The red ray represents life force and change.

红色光象征着生命力量和变化.

Based on the ray trace method, an expression for output spectrum of the two-segment semiconductor lasers has been derived.

用射线法导出了两段式半导体激光器的端面输出谱。

The ray tracing is accomplished by iteration.

射线追踪是采用迭代法实现的。

Both the ray path formula and the inversion formula are very simple.

射线路径公式和反演公式都很简单。

The ray separations are discussed for two type phase matching and different conditions of incidence in KTP and LBO crystals.

详细讨论了正入射和斜入射、Ⅰ类相位匹配和Ⅱ类相位匹配下KTP晶体和LBO晶体中的光束离散问题。

The Sun Ray decision follows the federal pattern of tolerating broad delegations but insisting on safeguards. “

阳光”案的判决仿效联邦容许广泛授权的做法，但又坚持保护措施

Compared with the ray tracing method ( RTM), computing speed of FVM is faster and its precision is higher. At the present time, the FVM is a preferable method to calculate radiative transfer process.

与光线踪迹法相比较，有限容积法计算速度快具有较好的精度，是目前辐射传递过程数值模拟的一种较好的方法。

If American society and business won5t make it easier on future female leaders who choose to have children, there is still the ray of hope that increasing numbers of full-time fathers will.

如果美国社会和企业不会给那些决定当妈妈的未来女性领导者更多方便的话，仍然能够带来一丝希望的是越来越多的全职父亲会给她们更多便利。

The Ray-Parameter Method for Acoustic Velocity Measurements of Thin Sediment Layers

测量海底沉积层声速的射线参数法

By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized. A NEW METHOD MEASURING QUALITY FACTOR Q OF A RESONATOR AT MILLIMETER WAVEBAND-QUASI-OPTICAL METHOD

通过几何光学法追迹泵浦光线在波导中的传播，系统地分析了泵浦光束与波导相对位置变化对泵浦耦合效率的影响，进而确定最佳耦合条件。毫米波波段谐振腔Q值测量的准光学法

Based on the ray approximation, the phase behavior of one-dimensional cavity with vibrating end is simulated. It is shown that phase becomes chaotic when parameter MN is larger than a certain threshold.

在射线近似下，单壁振动一维共振腔的相位变化数值模拟表明：当参数MN大于一定阈值时，相位变化呈混沌行为。

The ray trace and the illuminance calculation method of the CAD system is analyzed. And the linear congruence generator is introduced in the calculation, which improves the emulation reliability.

对该照明CAD系统的光线追迹与光照度计算方法进行了理论探讨，其中在光照度计算方法中引入了线性同余组合发生器，大大提高了模拟的真实性。

At last, the ray tracing modeling is applied to the actual PHS indoor distribution system project.

最后，射线跟踪模型被应用于实际的PHS室内覆盖系统工程中。

The ray paths are circles.

射线路径呈圆弧状.

For measuring sunshine duration, it is need to determine whether the ray is direct light and whether its irradiance is more than or equal to a defined threshold.

测量日照时数需判断光照是否直射光及其强度是否超过规定值。

Using the ray tracing and Monte Carlo as well as the experimental fitting data, we present a numerical simulation model for pumping cavities of the multisegment Nd ∶ glass amplifier.

采用光线追迹和蒙特卡罗法以及实验拟合数据，建立了多段钕玻璃放大器闪光灯泵浦腔的数值计算模型。

This paper tries to put forward and prove that the ray strength decay can be given by analytic ex-pression.

本文试图提出并证明用解析形式表述射线强度衰减。

Principle and application of the ray automatic monitor of gas and water contents in crude oil

射线型原油含气、含水率自动监测仪原理及应用

Optimized Design of the Ray-testing System

射线检测系统的优化设计

Preliminary Report on the X Ray Diffraction Characteristics of Several Modified Phosphorus Fertilizers

几种改性磷肥的X射线衍射特征初报

Objective To study the X ray and MRI features of pulmonary hydatid disease.

目的探讨肺包虫病的X线及磁共振成像（MRI）的诊断特征。