例文
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- Stable isotope analysis of strontium and oxygen can also be carried out.
- It is notable as the heaviest known stable isotope of any element.
- Tin has ten stable isotopes, the largest number known for an element.
- For 80 of the chemical elements, at least one stable isotope exists.
- Neither the most stable isotope astatine-210 nor the medically useful astatine-211 occurs naturally.