首先我们必须明白：一张条形图不是数据分析。
本实验采用高效液相色谱——指纹图谱法分析并比较了7种大黄的化学成分间的差异，绘制了条形图和检索表。
The differences of 7 kinds of Rheum were compared by HPLC-FPS in this study. The column figures and the retrieval table were drawn.
本实验采用高效液相色谱——指纹图谱法分析并比较了7种大黄的化学成分间的差异，绘制了条形图和检索表。
The differences of 7 kinds of Rheum were compared by HPLC-FPS in this study. The column figures and the retrieval table were drawn.
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