The service layer has methods for finding a particular event, creating, updating and removing events as well as listing all events.
服务层具有用于查找特定事件、创建、更新和删除事件以及列出所有事件的方法。
Removing the dead cells on the outermost layer of the skin on a regular basis lets the skin underneath regenerate itself.
在定期去除皮肤表层死细胞的基础上让底层的皮肤再生。
Objective This paper introduces a new method for removing the organic impurities in silica gel powder used for thin layer chromatography.
目的本文介绍了灼烧去除薄层色谱硅胶粉中有机杂质的方法。
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