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1.The discovery of orthopositronium has revolutionized the field of radioactivity research.
正电子同位素金的发现已经彻底改变了放射性研究领域。
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2. The study of orthopositronium is crucial for understanding the properties of matter at high temperatures.
研究正电子同位素金对于理解高温下物质的性质至关重要。
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3. The team used orthopositronium to map out the distribution of radioactive isotopes in the Earth's crust.
该团队利用正电子同位素金来绘制地球地壳中放射性同位素的分布图。