velocity
英 [vəˈlɒsəti]
美[və'lɑsəti]
- n. 速率，速度；周转率；迅速；高速，快速
词态变化
复数: velocities;
助记提示
我们在学物理的时候，都知道表示速度的是字母“v”, 它就是由单词 velocity 的首字母缩略而来。
中文词源
velocity 速度
来自拉丁语volo,飞，词源同volatile,volley,引申义极快的速度。或来自拉丁语vehere,携带，运载，词源同vehicle.
英英释意
- 1. distance travelled per unit time
英文词源
- velocity (n.)
- early 15c., from Latin velocitatem (nominative velocitas) "swiftness, speed," from velox (genitive velocis) "swift, speedy, rapid, quick," of uncertain origin, perhaps related to vehere "carry" (see vehicle), or from the same root as vigil.
同义词辨析
speed, rate, velocity, pace
这些名词均含"速度，速率"之意。
speed： 普通用词，指单位时间内行进的固定速度或速率，也指可能达到的最高速度。
rate作"速度"讲时，与speed同义，可换用。作速率解时，指相对增长的速度，也指两种相比较而得出的标准速度。
velocity： 技术用词，指物体沿着一定方向运动时的速率。
pace： 普通用词，指步行的速度，常引申指活动的进度或生产率。
考试真题
- Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
出自-2015年12月阅读原文
实用场景例句
- the velocity of light
- 光速
牛津词典
- to gain/lose velocity
- 加 / 减速
牛津词典
- a high-velocity rifle
- 高速步枪
牛津词典
- Jaguars can move with an astonishing velocity.
- 美洲豹跑起来速度惊人。
牛津词典
- ...the velocity of light.
- 光速
柯林斯高阶英语词典
- ...the velocities at which the stars orbit.
- 恒星沿轨道运行的速度
柯林斯高阶英语词典
- Hesitation posisons your bravery, will and initial velocity.
- 踌躇将拖慢勇气 、 意志、初速.
期刊摘选
- Used to test linear velocity and speed of all kinds of machine and power units.
- 用于测量各种机械和动力设备的转速和线速度.
期刊摘选
- The concepts of escape and circular velocity are introduced.
- 在逃生的概念和循环速度介绍.
期刊摘选
- Note that it does not have the same direction as the velocity vector.
- 要注意它的方向与速度矢量的方向不同.
辞典例句
- This method makes good use of the relative velocity of AUV.
- 该方法较好地利用了相对速度的信息.
期刊摘选
- Einstein's theory links energy with mass and velocity of light.
- 爱因斯坦的理论把能量同质量和光速联系起来.
《简明英汉词典》
- The article introduces a vector way of velocity analysis for wheel system in a plane.
- 本文介绍一种对平面轮系进行速度分析的矢量法.
期刊摘选
- The velocity of light is about 300000 kilometres per second.
- 光速约为每秒300000公里.
《现代汉英综合大词典》
- A week in a while, a car ran facings Irene's abode at a fast velocity.
- 一星期后, 一辆车以飞快的速度开往艾琳的家.
期刊摘选
- The atomic particles resist being accelerated past the velocity of light.
- 这些原子粒子无法被加快到超过光速.
辞典例句
- The wires are made to move with uniform velocity.
- 电线以匀速度移动.
期刊摘选
- This frequency multiplier may be used satisfactorily as the output stage some velocity radar.
- 这种倍频器可以满意地用作为某型测速雷达的输出级.
期刊摘选
- For Bluetooth worm propagation, a determining factor is moving velocity of smart phone in mobile environment.
- 对于蓝牙环境下智能手机蠕虫病毒的传播, 手机的移动速度是一个重要因素.
期刊摘选
- In this paper, the optical velocity in abnormal dispersion zone is studied.
- 本文研究在反常色散区的光速传播问题.
期刊摘选
- What is the angular velocity after the ball has made five complete revolutions?
- 在球转了五整圈之后,角速度是多少?
辞典例句
- A bullet goes from this gun with a velocity of 3000 feet per second.
- 此枪射出的子弹,其速度为每秒3000英尺.
《简明英汉词典》
- The evaluation model of velocity harmony consists of two parts: velocity continuity and vehicle harmony.
- 速度协调性评价模块,包括速度连续性和协调性评价两方面.
期刊摘选
- For the first time use, should be amplitude and velocity regulator scale are transferred 0.
- 第一次使用时, 应将振幅与振速调节器的刻度都调至0.
期刊摘选
- A centrifuge is a device for whirling an object with a high velocity.
- 离心机是使物体作高速旋转的装置.
辞典例句
- The result suggests that pressure magnitude, pressurizing velocity and manner, and etc.
- 表明压力高低 、 加压速度快慢、加压方式等对油藏渗流和变形产生显著影响.
期刊摘选
- The goal of this phase is to reach maximum velocity.
- 这个阶段的目的是要达到最大的游进速度.
期刊摘选
- The terminal velocity model on short distance running is researched.
- 研究了短跑的“收尾速度”模型.
期刊摘选