Objective To study the hearing standard for pilot of high performance aircraft.
目的探讨高性能战斗机飞行员的听力标准。
Objective: to determine patulin in fruit juice by high performance liquid chromatography mass spectrometry.
前言：目的：应用高效液相色谱-质谱联用技术测定果汁中的展青霉素。
Objective: to determine patulin in fruit juice by high performance liquid chromatography mass spectrometry.
前言：目的：应用高效液相色谱-质谱联用技术测定果汁中的展青霉素。
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