isotope造句
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.
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.
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.