The three tracers were similar in results.
所用三种示踪剂结果基本一致。
Temperature and electrical conductivity are good tracers.
温度、电导率是良好的示踪剂。
I sit and watch distant tracers ricochet but the sound is lost in the wind.
我坐下，看着四处飞溅遥远示踪剂，但声音在风中丢失。
I sit and watch distant tracers ricochet but the sound is lost in the wind.
我坐下，看着四处飞溅遥远示踪剂，但声音在风中丢失。
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