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。
• This is why managing deceleration is so hard.
  这就是为什么应对减速这么难的原因。
• 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。
• 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。
• 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）。
• Simulation results showed that the drive system works well in dynamic conditions, in terms of acceleration, deceleration and load torque changes.
  仿真结果表明：使用该控制策略的调速系统在加减速运行和负载转矩变化等场合均具有良好的动态性能；
• 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。
• And all of these events are playing out against the backdrop of a deceleration in major economies.
  因而，在主要经济体经济减速的背景下，所有因素都对其不利。
• 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。
• Fears grew over the summer that if this deceleration continued, America's economy would slip back into recession.
  在今年夏天，人们的恐惧心态持续增长，增长减速照此继续的话，美国的经济会再次滑入衰退。