hydrocarbon group analysis

例句：

1. 1. Thestudy of hydrocarbons is crucial forunderstanding the origins of life on Earth.
   研究碳氢化合物对于理解地球上生命的起源至关重要。
2. 2. The hydrocarbon group analysis revealed thatthe sample contained a high proportion of unsaturated hydrocarbons.
   通过碳氢化合物组分析，发现样本中饱和烃的比例较高。
3. 3. The hydrocarbon group analysis was usedto identify the source of the contamination in the water supply.
   碳氢化合物组分析被用来识别供水系统中污染的来源。