deceleration

英 [ˌdiːseləˈreɪʃn]

美 [ˌdiːseləˈreɪʃn]

n.  减速（度）；降速；负加速度；制动（止）；熄灭; 缩写词为dec

复数：decelerations　

医学

BNC.26519 / COCA.23140

柯林斯词典

• VERB 降低速度;减速行驶（或动转）
  When a vehicle or machinedeceleratesor when someone in a vehicledecelerates, the speed of the vehicle or machine is reduced.
  1. ...the sensation of the train decelerating.
     列车正在减速的感觉
• VERB (通货膨胀、经济增长等的速度)减缓，放慢
  When the rate of something such as inflation or economic growthdecelerates, it slows down.
  1. Inflation has decelerated remarkably over the past two years.
     过去的两年里通货膨胀已经明显放缓。

英英释义

noun

• the act of decelerating
  1. he initiated deceleration by braking
• a decrease in rate of change
  1. the deceleration of the arms race
  Synonym:slowingretardation
• (physics) a rate of decrease in velocity

双语例句

• By analyzing the braking process of man-rider theoretically, get the formula expressions of mean braking deceleration and buffering distance.
  通过人车在制动过程中的理论分析，得到斜井人车平均制动减速度和缓冲距离的表达式。
• We have witnessed the Dow rise on economic news indicating deceleration of activity.
  我们看到，经济新闻显示经济活动减速，但是道琼斯指数依然上涨。
• In the traditional acceleration and deceleration control method, the vibration caused by acceleration discontinuity affects the machining quality and equipment life.
  传统的加减速控制方法由于加速度的不连续性，易使机床产生冲击，影响零件加工质量和机床使用寿命。
• Because of the sudden force, the unfortunate bug undergoes a sudden deceleration.
  由于这个突然的力的作用，那只不幸的小虫子遭遇到了突然的减速。
• Inertia switch operated by sudden deceleration.
  用突然减速操作的延时开关。
• Aiming at the fluctuation problem of elongation during acceleration, deceleration and the appearance of other disturbances, a scheme of adding a proportional controller was brought forward.
  针对在加减速或出现其它扰动时的延伸率波动问题，提出了在反馈控制中增加比例控制的解决方案。
• It avoided the prediction of the deceleration point by every sampled time.
  根据采样次数决定加减速，可以避免预测减速点。
• After the deceleration curves were optimized using Gauss pseudospectral method ( GPM), a close loop control method was employed in tracking the optimal trajectory by feedback linearization.
  基于高斯伪谱方法（GPM）对飞机和阻拦索接触后的降速曲线进行了优化，并应用反馈线性化闭环跟踪优化之后的降速曲线。
• This means that in emergency situations or sudden deceleration, the transmission can quickly step down to LOW gear.
  这意味着在紧急情况或突然减速时变速器能够快速的降到低齿轮。
• The acceleration time and deceleration time were corrected with pulse pressure and heart rate ( ATi and DTi).
  经心率和脉压矫正后的加速时间（ATi）和减速时间（DTi）。