velocity [ vi'lɔsiti] n.速度，速率
velocity [ vi'lɔsiti] n.迅速，快速
velocity [ vi'lɔsiti] n．速度，迅速
CAV Constant Angular Velocity 恒角速度
CLV Constant Linear Velocity 恒定线速度
speed, velocity 速度
空速
space velocity
速度测量典型方法
typical methods of velocity measurement
声速
sound velocity
速度三角形
triangle of velocities
非等速万向节
nonconstant velocity universal joint
等速万向节
constant velocity universal joint
准等速万向节
near constant velocity universal joint
等速平面
constant velocity plane
可轴向移动的球笼式万向节
plunging constant velocity joint
Group velocity 群速度
Particle velocity 质点(振动)速度
Phase velocity 相速度
Sound velocity 声速
速度 [sù dù] /speed/rate/velocity/
最大速率 [zuì dà sù lǜ] /maximum speed/maximum velocity/
{adj: accelerative, acceleratory} tending to increase velocity
{adj: determinable} capable of being determined or limited or fixed
"determinable velocities"
"matters determinable by law"
<-> indeterminable
{adj: high-speed, high-velocity} operating at high speed
"a high-speed food processor"
"a high-velocity shell"
{adj: orbital} of or relating to an orbit
"orbital revolution"
"orbital velocity"
{adj: radial} relating to or moving along or having the direction of a radius
"radial velocity"
{n: Doppler radar} radar that uses the Doppler shift to measure velocity
{n: Michelson-Morley experiment} a celebrated experiment conducted by Albert Michelson and Edward Morley; their failure to detect any influence of the earth's motion on the velocity of light was the starting point for Einstein's theory of relativity
{n: Pitot tube, Pitot} measuring instrument consisting of a right-angled tube with an open end that is directed in opposition to the flow of a fluid and used to measure the velocity of fluid flow
{n: Rayleigh disk} an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity
{n: acceleration} (physics) a rate of increase of velocity
<-> deceleration
{n: ballistic pendulum} a physical pendulum consisting of a large mass suspended from a rod; its displacement is used to measure the velocity of a projectile
{n: boron chamber} an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
{n: change-up, change-of-pace, change-of-pace ball, off-speed pitch} a baseball thrown with little velocity when the batter is expecting a fastball
{n: constant} a number representing a quantity assumed to have a fixed value in a specified mathematical context
"the velocity of light is a constant"
{n: deceleration} (physics) a rate of decrease in velocity
<-> acceleration
{n: direction} the spatial relation between something and the course along which it points or moves
"he checked the direction and velocity of the wind"
{n: drag coefficient, coefficient of drag} the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body
{n: drive, thrust, driving force} the act of applying force to propel something
"after reaching the desired velocity the drive is cut off"
{n: escape velocity} the minimum velocity needed to escape a gravitational field
{n: fastball, heater, smoke, hummer, bullet} (baseball) a pitch thrown with maximum velocity
"he swung late on the fastball"
"he showed batters nothing but smoke"
{n: first law of motion, Newton's first law of motion, Newton's first law} a body remains at rest or in motion with a constant velocity unless acted upon by an external force
{n: fragmentation bomb, antipersonnel bomb, anti-personnel bomb, daisy cutter} a bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragments; most effective against troops and vehicles
{n: gun} a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
{n: high gear, high} a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
{n: hypervelocity} excessive velocity
"the meteorites struck the earth with hypervelocity impacts"
{n: ion engine} a type of reaction-propulsion engine to propel rockets in space; a stream of positive ions is accelerated to a high velocity by an electric field
{n: klystron} an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation
{n: momentum} the product of a body's mass and its velocity
"the momentum of the particles was deduced from meteoritic velocities"
{n: muzzle velocity} the velocity of a projectile as it leaves the muzzle of a gun
{n: nephoscope} a measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds
{n: peculiar velocity} velocity with respect to the local standard of rest
{n: poise} a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second
{n: radial velocity} velocity along the line of sight toward or away from the observer
{n: reaction propulsion} propulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentum
{n: refractive index, index of refraction} the ratio of the velocity of light in a vacuum to that in a medium
{n: relativistic mass} (physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases
{n: shock wave, blast wave} a region of high pressure travelling through a gas at a high velocity
"the explosion created a shock wave"
{n: speed, velocity} distance travelled per unit time
{n: streamline flow} flow of a gas or liquid in which the velocity at any point is relatively steady
{n: synchrocyclotron} cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field
{n: terminal velocity} the constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity
{n: turbulent flow} flow in which the velocity at any point varies erratically
{n: whizbang, whizzbang, whizbang shell} a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
{n: wind tunnel} a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft
{n: windburn} redness and irritation of the skin caused by exposure to high-velocity wind
{v: deaden} lessen the momentum or velocity of
"deaden a ship's headway"
{v: decelerate, slow, slow down, slow up, retard} lose velocity ; move more slowly
"The car decelerated"
<-> accelerate
{v: speed} travel at an excessive or illegal velocity
"I got a ticket for speeding"
Usually it streams past the earth at less than 1 million m.p.h.,
通常，太阳风流经地球的速度不会超过每小时 100万英里，
but when that wind gushed from a rare gap in the sun's tangled magnetic web, its velocity exceeded 2 million m. p. h. and particle density was 30 times normal.
但是，当这股风是从太阳扭结在一起的磁网罕见的断层中喷出的时候，其速度就会超过每小时 200万英里，密度是一般带电粒子流的 30倍。
Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.
通过对调频回声频率中的变化作出反应，某些种类的蝙蝠在飞行过程中可作出纠正，以追综其运动中的捕食物的方向及速度。
Because we know the size of the cloud around IRC+10216 and can use our observations of either NH3 or CO to measure the outflow velocity, we can calculate an age for the circumstellar cloud.
由于我们对IRC+10216周围云层的规模有所了解，并能利用我们对NH3或CO的观察来测量出流出速度，我们就能把环恒星云层的年代测算出来。
If the ices had been rapidly vaporized by an impacting object, the expanding gases might have helped the ejected fragments reach escape velocity.
假如这些冰层因撞击的物体而迅速汽化蒸发的话，那么膨胀的气体很有可能帮助弹射出去的碎片达到逃逸速度。
Constant velocity joint 等速万向接头
Joint constant velocity 等速接头
线速度 linear velocity
spsc-20121323
Velocity strings
速度绳
spsc-25173806
Constant velocity joints
等速万向节
spsc-41112509
Air velocity and temperature monitors
空气流速和温度监测仪
spsc-41115504
Sound velocity analyzers
声速分析仪
velocity 速度
光纤速度感测器 Fiber Optic Velocity Sensors
激光都卜勒血流计 Laser Doppler Blood Current Velocity Meters
absolute velocity 绝对速度
angular velocity 角速度
angular velocity ratio 角速比
average velocity 平均速度
coefficient of velocity fluctuation 运转不均匀系数
constant-velocity (or double) universal joint 双万向联轴节
instantaneous center of velocity 速度瞬心
relative velocity 相对速度
uniform motion; constant velocity motion 等速运动规律
velocity 速度
velocity diagram 速度曲线
angular velocity 角速度
average velocity 平均速度
constant angular velocity 恒角速度
constant velocity 恒速度
critical velocity 临界速度
drift velocity 漂移速度
escape velocity 逃逸速度
final velocity 末速度
initial velocity 初速度
instantaneous angular velocity 瞬时角速度
instantaneous velocity 瞬时速度
relative velocity 相对速度
resultant velocity 合速度
terminal velocity 终端速度
uniform velocity 匀速度
variable velocity 可变速度
velocity 速度
velocity ratio 速度比
velocity-time graph 速度—时间关系线图
wave velocity 波速度
波速 wave speed, wave velocity
沉降速度 settling velocity
复速度 complex velocity
滑移速度 slip velocity
扩散速度 diffusion velocity
速度[水]头 velocity head
速度环量 velocity circulation
速度亏损律 velocity defect law
速度剖面 velocity profile
速度势 velocity potential
诱导速度 induced velocity
壁剪切速度 friction velocity
angular velocity transducer[sensor] 角速度传感器
current velocity[speed] 海流速度
displacement velocity and acceleration shock response spectrum 位移、速度和加速度冲击响应谱
eddy velocity 涡动速度
friction velocity 磨擦速度
fully developed velocity distrbution 充分发展的速度分布
impact velocity of the pendulum 摆锤的冲击速度
linear velocity 线速度
magnetoelectric velocity measuring instrument 磁电工速度测量仪
magnetoelectric velocity transducer 磁电式速度传感器
maximum velocity 最大速度
mean linear velocity of mobile phase 流动相平均线速
non-dimensional [relative] velocity 无量纲[相对]速度
points of mean axial fluid velocity 平均轴向流体速度点
regular velocity distribution 规则速度分布
simulation velocity 仿真速度
starting wind velocity 起动风速
velocity 速度
velocity-area methods 速度面积法
velocity distribution 速度分布
velocity error 速度误差
velocity error coefficient 速度误差系数
velocity feedback 速度反馈
velocity focusing 速度聚焦
velocity limiter 速度限制器
velocity measure thermistor 测速热敏电阻器
velocity of approach factor 渐近速度系数
velocity pickup 速度传感器
velocity transducer [sensor] 速度传感器
velocity type water meter 速度式水表
Wien velocity filter 维恩速度过滤器
velocity of development 发展速度
velocity of increase 增长速度
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