velocity-
Acceleration and velocity are both vectors .
加速度和速度都是矢量。
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Jaguars can move with an astonishing velocity .
美洲豹跑起来速度惊人。
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The students were asked to calculate the velocity of light .
要求学生计算出光的速度。
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The jet plane is flying at the velocity of sound .
喷气机正在以音速飞行。
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Leopards can move with an astonishing velocity .
豹子跑起来速度惊人。
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The velocity of light is about 300000 kilometres per second .
光速约为每秒300000公里。
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In experimenting we find out that sound travels with different velocities through different substances .
在实验中，我们发现声音以不同的速度通过不同的物质而传播。
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Pneumatic conveying requires comparatively high gas velocities .
气力输送需要比较高的气体速度。
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The Hydrometric pendulum is sometimes used to determine flow velocities in open channels .
测流速的摆锤有时用于确定明渠中的流速。
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The current velocity of the flood stood at3.6 metres per second .
洪水流速为每秒三点六米。
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If the angular velocity of a body changes , it is said to have an angular acceleration .
如果物体的角速度是改变的，就说这个物体具有角加速度。
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A bullet goes from this gun with a velocity of3000 feet per second .
此枪发出的子弹，其速度为每秒3000英尺。
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A liquid drop removed from a sheet or jet may be exposed to the aerodynamic pressure effect of a high relative gas velocity .
离开液膜或射流的液滴，可能会受到高的相对速度气体的气动压力影响。
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To remove the ambiguity , these laws should refer to the velocity and the acceleration of the center of mass .
要避免含糊，这些定律所指的应当是质心的速度和加速度。
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Gazelles can move with astonishing velocity .
羚羊跑起来有时速度惊人。
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Once you have started the boulder rolling , it develops momentum , which is defined by its mass and velocity .
一旦巨大的石头开始滚动,它就会产生动量,这是由它的质量和速度决定的。
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Seismic velocity can occasionally be affected by porosity and temperature .
孔隙率和温度有时也能影响地震波速
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The virtual anode formation time and propagation velocity at different pressure with different apertures are investigated .
比较了在不同气压和空心阴极孔径下虚阳极的形成时间和扩展速度
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V is the velocity after the gas particle rebounds from the wall . V
是粒子从壁上弹开后的速度。
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Theoretical Study on Well Test Analysis of Low Velocity Nonlinear Flow
低速非线性渗流试井分析理论研究
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The effect of different parameters on the critical velocity is also analyzed .
研究了不同参数对系统失稳阙值的影响。主要包括以下内容。
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Analysis of damage effect of mining velocity on surface buildings
开采速度对地表建筑物损害影响分析
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That integrated navigation system can real-time supply position and velocity .
该组合导航系统能实时地提供位置，速度信息。
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Multiple velocity difference model and its stability analysis
多速度差模型及稳定性分析
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The Film Velocity and Tension Control System s
胶片速度与张力控制系统
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This paper proposes using multiple correlation analysis to analyze shear wave velocity .
本文提出采用多重相关分析来分析剪切波速度。
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Accuracy of measuring velocity improved by correlative analysis method
用相关分析法提高波速测量精度
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- D velocity field smoothing and the application effect
三维速度场的平滑及其应用效果分析
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Application of Cross - correlation Analysis Techniques in Velocity Measurement of Light Screen
相关分析技术在光幕靶速度测量中的应用
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Methods The traditional gun dynamics theory and the velocity matrix method are used .
方法将传统的火炮动力学理论与速度矩阵法结合起来，对速度矩阵法进行了改进。
普通用词，指交通工具等运动的速率或事情发生的速度。
The train went by at high speed.
火车疾驶而过。
This new plane can reach a speed of 900 kilometres an hour.
这架新飞机的时速可以达到900公里。
We had to increase the speed of delivery.
我们必须加快送货速度。
指人步行的速度，常引申为生活、变化等的速度。
He quickened his pace.
他加快了步伐。
The pace of change has accelerated.
变革的步伐在加速。
In the world today, mankind is progressing at a tremendous pace.
在当今世界，人类进步一日千里。
常指某事在一段时间内发生的速度，可与 speed 换用。
His money was running out at an alarming rate/speed.
他的钱用得很快，速度惊人。
The rate/speed of economic growth has slowed down.
经济增长速度放缓了。
物理学术语，指物体沿着一定方向运动时的速度；作普通意义上的速度解时，则指高速。
The jet plane is flying at the velocity of sound.
喷气机正在以音速飞行。
The students were asked to calculate the velocity of light.
要求学生计算出光的速度。
Leopards can move with an astonishing velocity.
豹子跑起来速度惊人。