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

• 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；
• 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。
• Worn by fliers and astronauts to counteract the forces of gravity and acceleration.
  飞行员和宇航员穿着来抵消重力和加速度的作用力的一种衣服。
• What is acceleration, velocity, and displacement?
  什么是（地震）加速度、速度和位移？
• 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。
• That's the tension and this is the acceleration.
  此处有张力和加速度。
• The new output is redefined according to the missile normal overload and angle acceleration.
  根据导弹的法向过载和角加速度重新定义了新输出量。
• Experimental Verification in Measuring Acceleration Using Accelerometer; for recording the speed and direction of wind.
  用加速度传感器直接测量加速度的实验验证测量风的方向和速度的仪器。
• I have not certainly detected her pulse and the palpitation acceleration and the pupil expanding.
  我并没有发觉她的脉搏和心跳加速，瞳孔扩大。
• Now I would like to calculate with you the acceleration that a cylinder would obtain.
  现在我将和你们一起，计算圆柱会获得的加速度。