“tracers”造句，怎麼用tracers造句

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

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.

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

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

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

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

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.

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