用“beta ray”造句大全，beta ray造句
Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom.
Two of the men received suspected beta ray burns after stepping into water.
beta ray extracorporeal irradiator
Changes in soybean water status have also been measured by beta ray gauging.
??and ??have been suggested as the best sources of beta rays for these measurements.
