principle of reflection

For the optical time domain reflectometer ( OTDR), the factors that impact optical fiber transmission characteristics and the principles of Rayleigh scattering and Fresnel reflection are analyzed. The principle and configuation of OTDR are studied, and the main technical specifications of OTDR are discussed.

对于光时域反射计（OTDR）技术，分析了影响光纤传输特性的因素及瑞利散射和菲涅尔反射的原理；研究了OTDR的工作原理及组成，同时讨论了OTDR的主要技术指标。

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Engels elaborated the principle of the theory of reflection, criticized Dulling's theory of'Principle first'in his work Against Dulling's Theory.

恩格斯在《反杜林论》中阐发了唯物主义的反映论原则，批评了杜林的原则在先论。

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From the light-reflection principle of road mark, the paper introduced the factor of influencing on glass ball and road mark relapsing reflection, and discussed the reasonable application of glass ball.

从道路标线反光原理着手，较为详细地论述了影响玻璃珠及道路标线回归反射的因素，并结合施工的实际情况对玻璃珠的合理应用进行了探讨。

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On reflection of the fundamental principle of International Economical Law in our national law

论国际经济法基本原则在我国法中的体现

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Based on the principle of imagery by a digital ultrasonic logging system, a method for computing the reflection coefficient of the side wall according to the degree of greyness and the echo time data is presented.

本文从数字超声电视测井的成象原理出发，研究了根据井壁超声图象的灰度和回波时间数据计算井壁反射系数的方法。

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A clear distinction must be drawn between right and wrong, for inner-Party controversies over principle are a reflection inside the Party of the class struggle in society, and no equivocation is to be tolerated.

是非一定要搞清楚，因为党内的原则争论，是社会上阶级斗争在党内的反映，是不允许含糊的。

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A Typical Reflection of the Principle of Value in Snow's Reportage

腹中的少年儿童&斯诺报告文学写作中价值原则的鲜明体现

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Hyperbole is a figure of speech based on the truth reflection, and the exaggeration should comply with the principle of "being moderate".

“真”实是夸张修辞格运用的基础，适“度”是夸张修辞格运用的原则。

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According to space time coordinate transformation and permance principle of light velocity in the theory of relativity, the rule of light reflection from the moving mirror is proposed in this paper.

根据相对论时空坐标变换及光速不变原理，推出了光在运动镜面上反射时遵从的规律。

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This paper briefly presents the principle of FET oscillator with a Hi-Q dielectric resonator feedback, which is considered to be similar to that of a reflection oscillator with a Hi-Q dielectric resonator coupled to the gate of a FET.

本文扼要分析了高Q介质反馈型FET振荡器的原理，认为介质反馈型振荡器类同于高Q介质谐振器与FET栅极耦合的反射型振荡器。

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