[
 {
  "label": "steps=1 cap=0",
  "n": 256,
  "arrived": 147,
  "failed": 109,
  "buckets": {
   "姿态没到位(位置<5mm)": 3,
   "位置 5~20mm": 5,
   "位置 20~100mm": 15,
   "位置 >100mm 且刹车>30(被挡)": 63,
   "位置 >100mm 且刹车<=30(方向/绕圈)": 23,
   "起步失败": 0
  },
  "failed_e_p50": 255.333598802122,
  "failed_oe_p50": 11.016554443385107,
  "failed_still_share_p50": 0.3722222149372101
 }
]