acceleration

英 [əkˌseləˈreɪʃn]

美 [əkˌseləˈreɪʃn]

n.  加速; 加快; (车辆)加速能力，加速的幅度; 加速度

复数：accelerations　

CET4TOEFL化学

Collins.1 / BNC.7072 / COCA.8018

牛津词典

noun

• 加速；加快
  an increase in how fast sth happens
  1. an acceleration in the rate of economic growth
     经济增长加速
• （车辆）加速能力，加速的幅度
  the rate at which a vehicle increases speed
  1. a car with good acceleration
     加速性能良好的汽车
• 加速度
  the rate at which the velocity (= speed in a particular direction) of an object changes

柯林斯词典

• N-UNCOUNT 加快；增速
  Theacceleration ofa process or change is the fact that it is getting faster and faster.
  1. He has also called for an acceleration of political reforms.
     他同时呼吁加快政治改革的步伐。
  2. ...the sharp acceleration in job losses.
     失业的急速增加
• N-UNCOUNT （汽车等的）加速能力，加速幅度
  Accelerationis the rate at which a car or other vehicle can increase its speed, often seen in terms of the time that it takes to reach a particular speed.
  1. Acceleration to 60 mph takes a mere 5.7 seconds.
     加速到时速60英里只需要5.7秒。
• 加速度
  Accelerationis the rate at which the speed of an object increases.

英英释义

noun

• the act of accelerating
  Synonym:quickeningspeedup
• an increase in rate of change
  1. modern science caused an acceleration of cultural change
• (physics) a rate of increase of velocity

双语例句

• He has also called for an acceleration of political reforms.
  他同时呼吁加快政治改革的步伐。
• Then, the slope dynamic response was analyzed and the stress, displacement, velocity and acceleration were studied.
  然后进行边坡动力响应分析，研究了应力、位移、速度和加速度的动力响应结果；
• Increases engine power and acceleration.
  增强发动机功率和加速度。
• Method of vibration displacement measured with acceleration sensor is introduced.
  介绍了一种用加速度传感器测量振动位移信号的方法。
• The expression of the relation between force, mass and acceleration is as follows.
  力、质量和加速度之间的关系表示如下。
• 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。
• The relationship among acceleration, force and the motion direction is discussed.
  讨论了加速度与受力、运动方向之间的关系。
• Speed training system for athletes and coaches focused on improvements in sprint time and acceleration.
  为在短跑时间和加速集中于改进的运动员和客车加速训练系统。
• For a sprinter, speed and acceleration are important.
  对短跑运动员来说，速度和加速能力是重要的。
• The engine delivers instant acceleration whatever the revs.
  不论转速如何，发动机都可以立即加速。