trace analysis的用法和樣例：
例句
- The first step of retention analysis is to extract and clean up the trace pesticides.
農藥殘留量分析的第一個(gè)環(huán)節就是從樣品中提取和凈化痕量農藥，以便進(jìn)行分析測定。 - A new decentralized fault line selection installation based on transient analysis and fault recording technology is given.
給出了一種利用暫態(tài)量分析和故障錄波技術(shù)的分散式新型選線(xiàn)裝置的設計。
