Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.
带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。
This paper gives a discussion of the definition of relative aperture of photographic object glass.
本文对照相物镜相对孔径的定义、光圈数、像面照度、像面曝光量以及它们之间的关系进行了讨论。
Relative Vertical Acceleration and the Mesoscale Atmospheric Motion Equations
相对垂直加速度和中尺度大气运动方程组
Evaluation of Road Level Based on Vertical Vibrational Acceleration of vehicle
利用汽车垂直振动加速度判别路面等级的方法
DETERMINATION OF VELOCITY AND VERTICAL ACCELERATION IN AIRBORNE GRAVIMETRY BY USING GPS
航空重力测量中利用GPS测定载体的速度和垂直加速度
The rate of change of velocity with respect to time.
加速度速度相对于时间变化的速率
The Influence of Vertical Velocity on Man s Long Jump;
男子跳远运动员垂直速度变化对成绩影响探讨
relativistic velocity addition formula
相对论性速度加法公式
The axial droplet velocity profile is nearly linear across the pipe section, and is different from the axial gas velocity profile.
液滴速度与气相速度分布不同，在垂直方向上液滴的轴向速度近乎呈线性分布。
Research on the Criteria for Evaluating the Hard Spots of Catenary Based on the Vertical Impact Acceleration of Pantograph Head
基于弓头垂直冲击加速度接触网硬点评判准则的研究
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised .
所有这些相对缓慢，直到出现了科学，速度突然加快了。
a nearly vertical descent at an accelerated speed through the air.
从空中近似垂直的加速下落.
However, the rigidity of the table has an obvious influence on the performance of the linar motor.
本文用有限元法对高速机床工作台的垂直刚度进行了分析研究。
Analysis on the effective factors of vertical take off velocity of Chinese elite long jumpers;
对影响我国优秀跳远运动员起跳垂直速度的因素分析
transition corridor
过渡速度范围 -垂直起落飞机的
Experiment Study on Lifting Velocity and Concentration of Coarse Particles for Vertical Hydraulic Lifting;
粗颗粒垂直管水力提升速度与浓度的实验研究
The priciple of acceleration relativization and the principle of force relativization was deduced.
引出了加速度相对性原理和力相对性原理.
achieves relativistic velocities by modulating the frequency of the accelerating electric field.
通过调整加速电域的频率获得相对速度。
Study on Vertical Force Loading in Automobile Low-speed Tire Testing Machine;
汽车低速轮胎试验机垂直力加载系统研究
A Study on Relation between Drape of Fabrics and Its Revolution Speed
织物伞式悬垂旋转速度对悬垂性影响的研究