Speed is the ratio of distance to time.
速度等于距离与时间之比。
The ratio in which this light decreases, is precisely the same as that of the terrestrial light illustrated above, viz., according to the square of the distance.
其减弱的比率，与我们在上文中所阐述过的地面光照随距离减弱的规律是一样的，也就是说，与距离的平方成正比。
Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot.
光分辨率是以距离到镭射点直径的比例关系来描述的。
Numerical results show that the squeezing ratio largely increase at the nearby of collision distance.
数值结果表明，在碰撞距离附近，压缩比显著增加。
The fatigue notch factor is introduced as the ratio of average stress over the region of a critic distance around critic point to the hot spot stress.
将疲劳切口系数定义为临界距离法得出的平均应力与热点应力之比值。
The distance ratio iteration method is a new fractal rendering method which can construct complex inner structure in the convergence region of complex mapping.
距离比值迭代方法是一种新的分形绘制方法，可以在复映射收敛区域绘制出复杂的自相似结构。
The parameter of LFM term estimated by the changing sample ratio processing technology to improve the performance of tracing distance is presented.
提出了应用变采样率技术估计线性调频项参数来减小距离跟踪的误差，提高雷达的跟踪目标性能。
Studied three kinds of grade modelling methods that are polygon method, distance power inverse ratio method, kriging method, and presented their computational formula.
研究了多边形法、距离幂反比法以及克立格法三种品位建模方法，并且给出了三种建模方法的计算公式。
A simple and quick algorithm, integrated with weighted distribution and Hamming distance, is derived from the principle of fuzzy similarity-ratio.
从模糊相似比原理出发，推证出一种简捷的快速算法，并综合了权重和海明距离两方面因素，从而使模糊相似比方法得到改进。
Severe acute respiratory syndromes (SARS) is a neo-type respiratory contagious disease. There was high ratio of infection among health care workers for short-distance contact with SARS patients.
严重急性呼吸综合征是一种新型的呼吸道传染病，其发病急、传染性强，医护人员由于与病人接触密切，感染率较高。
The basic parameters of non-circular gear are determined, such as primary circle, eccentricity ratio, eccentricity throw and proportional coefficient of center distance.
确定了非圆齿轮的基本参数：基础圆半径、偏心率、变形距和中心距比例系数。
Given the velocity ratio of S-to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距，炮点到共转换点的水平距离就可以通过解一个四次方程求出。
And the optimization of such parameters as the inclination Angle of baffles, the distance between two baffles and the ratio of void area were considered in detail in this article.
对挡板倾斜角、相邻两挡板的间距及开孔率的最优化进行了具体讨论。
While, the system signal-to-noise ratio (SNR) value decreases with the increase of the glass thickness and the detection distance.
随着玻璃厚度的增加和探测距离的改变，系统的信噪比会随之变化。
It is proved that the main affecting factors include: equivalent pile length, bending stiffness of abutment, ratio of width to span, distance of webs, etc.
整体式桥台的等代桩长、桥台纵向抗弯刚度、宽跨比及箱梁肋板间距等，是影响该类桥梁剪滞系数的主要因素。
The influence of imaging magnification and the ratio of object dimension to object-to-collimator distance on imaging efficiency was investigated as well.
最后还分析了放大倍数以及物体尺寸相对于物距的大小对探测效率的影响。
According to the climate similarity theory, Australia was zoned for Shanghai landscape plant introduction by means of Euclidean distance and fuzzy analogy preferred ratio.
根据气候相似性理论，运用欧氏距离模糊相似优先比法划定适宜上海进行园林植物引种的澳大利亚区域。
Phoria at distance and near, positive and negative relative accommodation(NRA/PRA), accommodative convergence and accommodation response were measured. Results Response AC/A ratio of P. M.
眼动参数测量包括远、近距隐斜、调节反应、调节性辐辏及正、负相对调节，对每组的反应性、计算性AC/A 等眼动参数进行分析比较。
Based on the principle of gear machining generating method, a modeling method - variable center distance gear modeling method for variable ratio gear sector profile is put forward.
基于齿轮的范成加工原理，提出了一种变速比齿扇齿廓的定中心距齿轮建模法。
The relationships between images of near and far objects with camera lens and field of view and object distance and the image ratio are researched.
根据光学透镜成像原理，推导近端和远端物像与相机焦距、视角和物距的关系式及其像比，借此控制相机视图中远近两端物像的形状反差。
The conjugate principle of the variable ratio gear with constant center distance and constant contact Angle has been analysed.
研究了定中心距、定啮合角变速比齿轮的啮合原理。
The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.
探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。
When the distance of two nozzles was fixed, the offset of impinging stagnation point on the axis increased with the ratio of velocity and the nozzle diameter.
当喷嘴间距一定时，轴线撞击面驻点偏移量随气速比和喷嘴直径的增大而增大。
In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance.
为探索冲击射流离散频率噪声的产生机理，系统地研究了冲击射流离散频率噪声的特性。
The reconnaissance distance of vehicular laser passive reconnaissance warning device was discussed in the paper. The signal to noise ratio and sensitivity of the laser detection were analyzed.
文章针对车载式激光告警器探测距离，分别对激光告警接受机的信噪比和灵敏度进行了分析计算，为系统设计和研制提供依据。
The ratio between adjacent sides can effectively decrease affection of the proportional errors in distance measuring, and the accuracy may be increased.
邻边比率法可以有效的消弱比例误差对测距的影响，使电磁波测距的精度得到提高。
The selection of center distance and gear ratio distribution for a reducer with double-circular-arc gear will have a direct effect on its size, weight and loading capacity.
双圆弧齿轮减速器中心距和传动比分配的确定，直接影响减速器承载能力、重量和体积。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
应用推荐