1.  deceleration
2.  drag acceleration
3.  retarded velocity

• 1. 减速度: deceleration | retardation | retarded velocity | drag acceleration
• 2. 地板减速度: Deceleration of the structure
• 3. 平均制动减速度: mean braking deceleration

更多释义

• 1.数控系统还必须计算进刀和退刀，以及加速度和减速度。
  The control also must calculate approach and escape motions as well as acceleration and deceleration.
  dict.yoduao.com
• 2.这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。
  This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.
  dict.yoduao.com
• 3.与之前十年相比（1.3%），递减速度自2000年提高了一倍，达到每年2.7%。
  The rate of decline has doubled to 2.7% per year since 2000, compared to the previous decade (1.3%).
  dict.yoduao.com

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