The physiological manifestation of myopia is error of refraction.
近视在生理上表现为屈光不正。
Objective:Research the curative effects of myopia and error of refraction in callans by the ophthalmic acupuncture.
目的：观察眼针治疗青少年近视屈光不正的疗效。
One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.
误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。
The refraction effect of light-wave when it propagates in atmosphere brings refraction error to optic radar's measurement.
由于大气对光波传播引起的折射效应，使得光学雷达测量中产生折射误差。
The refraction error of the atmosphere is one of the largest error sources in precise GPS measurement.
在精密GPS测量中，大气折射改正误差是最大的误差源之一。
The method has low requirements for the placement attitude and assembling accuracy of binocular sensor, thus the calculation error of coordinates produced by medium refraction can be removed.
该方法对摄象机的摆放姿态与双目传感的装配精度要求较低，可去除介质折射产生的坐标计算误差。
However because of the refraction effect in the troposphere there is refractive error in the parameters measured in positioning system.
但由于对流层中的折射效应，定位系统所测目标的仰角、距离等参量均存在一定的折射误差。
Then, on the basis of least squares collocation, an iterative model is given to dispose the refraction error, and the effect is satisfactory.
在此基础上，利用最小二乘配置原理构造了处理折光误差的迭代平差模型，取得了良好的效果。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
The radio refraction error is a main error source among the factors affecting the accuracy of the measured data.
电波折射误差是影响靶场测量数据质量的主要误差源之一。
The error of correction for atmospheric refraction is one of the biggest error sources in precise GPS measurement.
在精密gps测量中，大气折射改正误差是最大的误差源之一。
The usable accurate error values can not be given by the existing atmospheric refraction theories, especially in the case of greater zenith distances.
尤其是在大天顶距的情况下，用目前的大气折射理论，不能给出可用的精确数值。
The refraction index of transparent glass-plate was measured with ray-displacement method, formulas of the refraction index and experimental error were obtained by theoretical analysis.
采用光束位移法测量了透明玻璃板的折射率，分析了折射率的公式和实验误差处理公式。
A formula of atmospheric refraction error of range measured by difference frequency delay method is presented.
给出了用差频延时法测距的距离折射误差计算公式。
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
The effect of atmospheric refraction error on observed value is a very thorny problem in EDM trigonometric leveling.
在光电测距三角高程测量中，大气折光对观测量的影响是一个非常棘手的问题。
The refraction error is produced. The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射误差修正。
Objective To explore the practical value of Mydrin-P in children with refraction error.
目的探讨美多丽- P在儿童散瞳验光中的应用价值。
From the principle of refraction, concludes a formula of the influence, which must be a term in the refraction residual error model.
从折射修正的原理出发，推导了该项误差的表现形式。
From the principle of refraction, concludes a formula of the influence, which must be a term in the refraction residual error model.
从折射修正的原理出发，推导了该项误差的表现形式。
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