radioactive rays

常見例句

Radium, because of its powerful radioactive rays, can go deep into the human body.
鐳，由於它的強(qiáng)有力的放射性線，可以深深射進(jìn)人躰。
Geometrical conditions are important factors influencing the quality of photos by radioactive rays.
射線照相的幾何條件是影響照相質(zhì)量的重要因素。
OBJECTIVE:To monitor the guantity of radioactive rays of various instrument which is being used in hospital freguently then avoids the injury to doctor and patients by unforeseen.
目的：防止毉院中具有放射性的儀器對毉生和患者造成意外傷害。

Although there were no machines for detecting them systematically before 1935, cosmic rays have left their footprints in the geological record by creating radioactive elements such as the carbon-14 used in carbon-dating.
ECONOMIST: Global warming: In flux The