以下为句子列表：
英文: The method of measurement of the noble gas isotopic compositions in mineral samples by laser microprobe noble gas mass spectrometry (LMNGMS) has been developed.
中文: 稀有气体同位素的激光探针分析就是利用激光的集束性和高能性来抽提固体样品中的气体 ,然后将气体净化、分离之后送入质谱计测定其含量和同位素组成。
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英文: The laser microprobe mass spectrometer,which has a higher space resolution,is the new devel-opment method of the analysis minimum geological sample isotopes.
中文: 激光探针质谱是最近发展起来的分析微量地质样品同位素和高空间分辨率的新方法。
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英文: The laser microprobe/mass spectrometer system is an extremely prospecting tool which combines high spatial resolution from laser microprobe with precise, accurate and rapid isotope ratio analysis from mass spectrometry.
中文: 简要阐明激光探针－质谱仪系统是一种极有前途的分析仪器：在显微镜下选择分析部位，激光束聚焦到样品上使之气化，释放出待测同位素气体经纯化后输入质谱计测定。
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