例句與造句

1. :Have you read Technetium # Stability of technetium isotopes?
2. For mass 100 and greater, the technetium isotopes of those masses are very short-lived and quickly beta decay to isotopes of ruthenium.
3. :There is a whole section at technetium # Stability of technetium isotopes on why it is unstable-the short answer is simply that there are more stable nuclear configurations than any of its isotopes .-- ( Talk ) 17 : 12, 2 Jun 2005 ( UTC)
4. It's difficult to find technetium isotope in a sentence. 用technetium isotope造句挺難的