isotope

isotope的英语例句

1. The isotope ratio is directly used for comparing oils or gases.

   同位素比率直接用于比较各种石油或天然气.

2. Lasers promise to change this by making isotope separation easier, and cheaper.

   激光可以改变这种局面,从而使同位素分离变得比较容易 、 比较廉价一些.

3. This indium isotope was created at the same time as the earth.

   这种铟同位素与地球产生在同一时代.