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ADS在其规定的ODD（如果有的话）范围内操作车辆，且没有发生与DDT的操作相关的系统故障。
NOTE: Routine/normal ADS operation includes vehicle responses to objects and events that are safety- and time-critical, as well as vehicle responses to the same that are not safety- and time-critical.
3.31.3.1 IN-VEHICLE FALLBACK-READY USER （车内预备接管用户）
A fallback-ready user of a conventional vehicle with an engaged Level 3 ADS feature who is seated in the driver’s seat.
一位坐在车内驾驶员座位上的预备接管用户，且这辆车具备L3级的自动驾驶功能。
EXAMPLE: A Level 3 ADS sub-trip feature designed to perform the DDT in congested traffic on certain freeways encounters emergency responders who are rerouting traffic to the exit due to a serious crash the ADS issues a request to intervene. The in-vehicle fallback-ready user becomes a driver and performs the fallback by manually operating the vehicle.
3.31.3.2 REMOTE FALLBACK-READY USER （远程预备接管用户）
A fallback-ready user of a Level 3 ADS-equipped vehicle in driverless operation who is not in the driver’s seat.
指在无人驾驶操作中，没有坐在车内驾驶员座位上的预备接管用户，且该车辆搭载了L3级自动驾驶系统。
EXAMPLE: A Level 3 ADS-DV encounters a crash scene for which emergency personnel are re-routing traffic the ADS issues a request to intervene. The remote fallback-ready user becomes a remote driver and performs the fallback by remotely operating the vehicle.
3.31.5 REMOTE ASSISTANT （远程协助员）
A human(s) who provides remote assistance to an ADS-equipped vehicle in driverless operation.
在无人驾驶操作中，为自动驾驶车辆提供远程协助的人。
NOTE: A remote assistant(s) may also perform other fleet operations functions.
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