飞行时间测距系统可以不仅应用到进入安全系 统而且可以应用到跟踪系统，例如跟踪初学走路的小孩、人和设备 的系统。
The time-of-flight ranging system may be applied to not only entry security systems but also to tracking systems such as systems for tracking toddlers, personnel and equipment.
飞行时间测距系统可以不仅应用到进入安全系 统而且可以应用到跟踪系统，例如跟踪初学走路的小孩、人和设备 的系统。
The time-of-flight ranging system may be applied to not only entry security systems but also to tracking systems such as systems for tracking toddlers, personnel and equipment.
应用推荐