例句與造句

1. The stable fission product 149 Sm is also a neutron poison.
2. The capture of neutrons by short half-life fission products is known as "'reactor poisoning "'; neutron capture by long-lived or stable fission products is called "'reactor slagging " '.
3. It's difficult to find stable fission products in a sentence. 用stable fission products造句挺難的