Test of spherical surface with small curvature and large aperture

In this paper we study the moduli space of surfaCes with one family ( or two families) Of spherical lines of curVature in R3 by use of E. Cartan's theory of exterior differential systems.

用E.Cartan的外微分系统理论，研究了R3中一族（或两族）曲率线为球而曲线的曲面的模空间。

Spherical curvature radius was optimized through controlling the exit rays and using the automatic optimization function of optical design software.

通过对出射光线的控制，利用光学设计软件的自动优化功能，优化出满足条件的球面曲率半径。

Measurement of lens focal length and spherical curvature

透镜焦距及球面曲率的测量

What changes are necessary when a spherical curvature is introduced in the substrate?

当一个球面曲率引入基底时需要有什么改变？

Investigation on increasing measurement accuracy of radius of spherical curvature

提高球面曲率半径测量精度的方案探讨

Meanwhile, a concave reflector with suitable curvature radius and large section radius improves the levitation capabilities of the potential well near the reflector under mode 4.

另外，采用适当曲率半径和较大截面半径的凹球面反射端能够提高模式4下靠近反射面的一个悬浮位置的悬浮性能。

Among them there were 40 cases with lumbago, 39 cases with lumbar lateral curvature, 40 cases with the straight leg-raising maneuver test with positive results;

腰痛40例，腰侧弯39例，直腿抬高试验阳性40例；

Conclusions: Lateral curvature should be associated with the rotatory and the excessive lateral curvature should be avoided when operating the manipulations of neck.

结论：侧弯（旋转）伴有一定程度的旋转（侧弯），行颈部推拿术治疗时应避免过度侧弯。

OBJECTIVE To investigate into the effect of spine-regulation with electric acupuncture on the paravertebral myoelectric activity in teenagers with specific lateral curvature.

目的观察电针整脊法对青少年特发性脊柱侧弯症椎旁肌肌电活动的影响。

METHOD Changes in the paravertebral myoelectric activity in 30 teenagers with specific lateral curvature were recorded before and after the electric acupuncture treatment.

方法运用针电极记录3组30例青少年特发性脊柱侧弯症治疗前后椎旁肌肌电的变化。

The facet joint morphology of lumbar lateral curvature and clinical significance

腰椎侧弯患者关节突关节形态及其临床意义

AIM: To explore the application of the orthosis on the rehabilitation engineering, and analyze the therapeutic effects of spinal orthosis in the children patients with idiopathetic lateral curvature.

目的：探求矫形器在康复工程上的运用，分析脊柱矫形器对特发性脊柱侧弯患儿的康复矫治作用。

Correction effects of the spinal orthosis on idiopathetic lateral curvature

脊柱矫形器对特发性脊柱侧弯的矫正作用

A comput program including tunneling effect and curvature correction on the thermal rate constants for unimolecular reactions has been introduced.

介绍了一个包括隧道效应和曲率校正的单分子热反应速率常数的计算程序，该程序以微正则速率常数为基础，通过积分的方法求得热速率常数。

Talking about Earth-Curvature Correction in Trigonometric Leveling

也谈三角高程测量中地球曲率的改正

Discussion on the curvature correction of rod length of SPT blow count N 63.5

标准贯入击数N（63.5）值杆长弯曲修正的探讨

Comparison of Several Range Curvature Correction Algorithms

几种SAR距离弯曲校正算法比较分析

Accurate Method to Calculate Curvature Correction of the Earth in Survey

测量中地球曲率改正的严密计算方法

The approximate equation of curvature correction factors F_c may be used for engineering in certain region.

曲率修正因子F c的近似计算公式在给定的范围内能够满足工程上的需要。

An approximate equation of curvature correction factors F_c is proposed.

拟合出了曲率修正因子F c的近似计算公式。