| 1. | So here , we can only say that there is a range of possible rates of senescence of the radioactive sample , and if there is a really tiny rate of senescence , that range would still include zero 所以,在这里,我们只能说,放射性样品衰老可能的速率有一个范围,如果有一个衰老的真正极小速率,那么该范围仍然应当包括零。 |