isotope encephalogram

例句：

1. 1. The study of isotopes has led to many breakthroughs in science and technology.
   同位素研究在科学和技术方面取得了许多突破。
2. 2.The scientists used a mass spectrometer to analyze the isotopes of the sample.
   科学家们使用质谱仪分析了样本的同位素。
3. 3. The isotopes of carbon have different properties from those of hydrogen.
   碳的同位素与氢的同位素具有不同的属性。