葡萄糖和果糖具有相同的化学分子式但有很不同的特性。
Glucose and fructose have the same chemical formula but have very different properties.
奥尔教授已经研发出了用现有的实验室激光给化学分子贴标签的有趣方法。
Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.
另一台设备，探测中子与不同化学分子碰撞后产生的不同伽马射线。
The other device can detect the distinctive gamma rays produced by collisions of neutrons with the atoms of different chemical elements.
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