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她 正在 用 仪器 做 实验 。 +
Tā zhèngzài yòng yíqì zuò shíyàn.
She is doing an experiment with the instrument. +
精密 仪器 提高 了 分析 质量 +
Jīngmì yíqì tígāo le fēnxi zhìliàng
Precision instruments have enhanced the quality of analysis. +
like: instrument
instrument ☊ 
phối khí ☊ instrument ☊ phối nhạc ☊