let down

• 1. 减速下降: let-down
• 2. 减速降下机能: RDS

• 1.在接近工作物是缓冲减速下降，在作业完了之后快速上升。
  Slow down while approaching the workpiece and then fast return after operation.
  dict.yoduao.com
• 2.由于HIV流行正在非洲减缓，全球发病率的增加正在减速，但是不清楚何时全球发病率将开始下降。
  The rise in global incidence is slowing because HIV epidemics are slowing in Africa, but it is unclear when the global incidence rate will begin to decline.
  dict.yoduao.com
• 3.欧元区最大经济体德国的减速导致整个欧元区第二季度的增长数字下降到0.2%，与第一季度的0.8%形成鲜明的对比。
  The slowdown in Germany, the euro zone's largest economy, brought the growth figure for the whole euro area down to 0.2% in the second quarter, compared with 0.8% in the first quarter.
  dict.yoduao.com

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