trace constituent
英 [treɪs kənˈstɪtjuənt]
美 [treɪs kənˈstɪtʃuənt]
网络 痕量组分; 痕量成分
双语例句
- Ammonia is an important basic trace constituent in the atmosphere.
氨是大气中重要的碱性微量组分。 - Analysis and structure identification of trace constituent in the total ginkgolide by using lc/ dad/ esi/ ms
银杏内酯提取物中微量成分的LC/DAD/ESI/MS分析及结构鉴定