Many ants are small and forage primarily in the layer of leaves and other debris on the ground.

许多蚂蚁很小，主要在地面的树叶和其他碎屑中觅食。

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Layer one on top of the other, and allow certain layers to be visible to certain types of devices.

将每个层放置在其他层的上面，并让某些层对于某些类型的设备是可见的。

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Presentation layer objects will depend on service layer objects, which will themselves depend on other service objects and data access objects, etc.

表示层对象会依赖于服务层对象，而这些服务层对象又依赖于其它服务对象和数据访问对象等。

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It is a centrally managed network of independently intelligent LED fixtures that layer on other capabilities for operational insight, facility monitoring and more.

FORBES: Shining A Light On The LED Opportunity

But if doctors can preserve remaining insulin production in their new patients, they might someday be able to layer on other drugs that would prod the insulin-producing cells to slowly regenerate.

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Now people are seeing they can keep their insured information confidential and while through the app that WSN has created they can bring this other layer of information on top of client data.

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