原子的热激发
Thermal excitation of atoms
以上为机器翻译结果，长、整句建议使用 人工翻译 。
炬管顶端的尾焰界线清楚，其包含的所有分析元素原子被强热的等离子体激发。
A well defined tail is present on the tip of the torch, which contains all the analyte atoms that have been excited by the intense heat of the plasma.
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