METHODS: The O/W cream base was used to prepare ZnO cream;

方法：以水包油（O/W）型基质制备乳膏；

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METHO_ DS:The cream was prepared by using O/W cream base. The clinical therapeutic effects were observed with a auto-controlled trial.

方法：采用水包油型霜剂基质的工艺制备，并用自身对照法验证疗效。

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W: Ok, no sugar no cream, black coffee and very strong. I will bring it to you right away.

W：好的，不加糖不加奶油，浓郁的纯咖啡，我这就把它给您拿过去。

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