用tracers造句子，“tracers”造句

The drone carries two target sleeves inside its cabin and can be fitted with light tracers and strobe lights for night training.

Added new sounds of ricochets and tracers (passing by shells).

I sit and watch distant tracers ricochet but the sound is lost in the wind.

To investigate the hurricane activity of the Pliocene, the researchers relied on proxy ocean temperatures based on variations in several chemical tracers in drill cores of the ocean floor.

With different tracers, they are equivalent only in the number of grain, but not equivalent in the sampling probability.

In some year valentine's day, he had received over 2,000 sealing female fans tracers courtship.

This system should allow that, Hamby said, and may eventually be used in monitoring processes in the nuclear energy industry, or possibly medical applications in the use of radioactive tracers.

Tracers are now usually women but some men work as tracers for their whole lives and they produce very fine work.