Result: the TLC of major drugs take on a strong characteristic in quality differentiation, good reproducibility.

结果主药薄层色谱定性鉴别特征性强，重现性好。

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Due to the quality differentiation between different monitors, the picture may not reflect the actual color of the item.

由于在不同显示器上产品的质量有所不同，这图片可能没有反应产品的颜色。

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Second, the spontaneous market demand for high quality audit further promotes the audit firm's audit quality differentiation.

其次，市场自发的高质量审计需求也进一步推动了会计师事务所的审计质量差异化。

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Product differentiation through quality ingredients and novel flavours mean "that it does actually taste better and, therefore, we don't mind", says Vince Mitchell.

BBC: Ice cream: How much would you pay?