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

• 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。
• This product is a non-gear deceleration device.
  本品可作为低速传动系统中的驱动元件。
• 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。
• Complicated deceleration need be fitted to simplified wave to more analyze and research during vehicle structure and occupant restraint system safety design of full frontal impact.
  在正面碰撞车体结构和乘员约束系统设计中，需要把复杂的减速度拟合成简化的波型以利于进一步分析和研究。
• 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。
• 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。
• This is why managing deceleration is so hard.
  这就是为什么应对减速这么难的原因。
• It registers the severity of the crash by6 the deceleration data from the airbag's sensor.
  这个装置可以通过安全气囊感应器上的减速数据记录下车祸的严重程度。