If you change the database structure, you need to accordingly change the data access layer, view layer.

如果改变了数据库结构，就需要相应地改变数据访问层、视图层等。

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To change your view layer in Apple Maps you have to tap the lower right corner (helpfully curled over as if it were physical paper) to reveal quite small traffic, satellite and hybrid views among four other options.

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Not only did I view her promotion as adding another layer of bureaucracy to our department, but I also felt like I was losing a friend.

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The Intra-Hybrid Blu-ray Disc (IH-BD) incorporates a single BD-ROM layer and a single BD-RE layer so as to enable the user to view, but not overwrite, critical published data while providing the flexibility to include relevant personal data on the same physical disc.

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