velocity n. 1.迅速;快速。 2.速度,速率。 3.周转率。 at a velocity of 100 miles per hour 用每小时一百英里的速度。 dart off with the velocity of a bird 像鸟一样迅速飞跑过去。 drag-free velocity无阻力飞速,真空飞速。 escape velocity(克服地球引力的)第二宇宙速度,逃逸速度。 final velocity (发射物的)终速。 initial [muzzle] velocity(发射物的)初速[腔口速度]。 uniform [variable] velocity匀[变]速。
ratio n. (pl. ratios) 1.比,比率,比值;比例;系数。 2.【经济学】复本位制中金银的法定比价。 the ratio 3:2 (读作 the ratio of three to two )3对2之比。 arithmetical ratio 公差,算术比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 电流比,电流变换系数。 nutritive ratio 营养率。 vt. 1.用比例方式表达;求出…的比值;使…成比例。 2.将(相片)按比例放大或缩小。
Discuss the important elements that affect beam velocity ratio and velocity spread 论述影响电子注速度比、电子注速度零散的主要因素。
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However , the current researches in human coordination are limited to topological analysis and fixed joint velocity ratios , and coordination of human movements has not been described in a quantitative and very effective way 目前对于人体运动协调规律的描述仅限于轨迹拓扑结构分析和关节角度的固定比例变化,尚不能对人体运动协调规律进行有效的量化描述。
The 3d anti 3c seismic processing flow established is used in processing of the real seismic data , achieving high quality velocity ratio spectrum and good non - hyperbolic nmo correction and stacking of 3d converted wave 应用所建立的三维三分量地震资料处理流程,对某实际地震资料进行了处理,得到了较高质量的三维转换波速度比谱,转换波非双曲动校正和叠加取得了较好效果。
The effects of jet velocity ratio and skew angle were addressed . several co - rotating minute vortexes on the turbulence boundary layer would coalesce together that leaded to a big vortex . the effect of the big vortex was greater than a single minute one 单排多个同向射流与主流作用所产生的独立小涡旋将在流向下游发生合并,形成大涡旋,大涡旋对边界层的作用效果要强于单个独立小涡旋。
And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made . the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al . on efficiency and gain are analyzed in detail 并对34ghz两腔回旋速调管的注?波互摘要作用进行了大量的数值模拟研究,分析了漂移区长度、电压、电流、速度lhq值、磁场k , ; 、注入波功率等多种因素对互作用电子效率及增益的影响。