Perform Step 4 if you have selected to import one or more subunits as model or root package.

如果您选择将一个或者多个子单元作为模型或者根包导入，那么可以继续到第4步。

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Routers operate at the network layer in the network model, one step above Ethernet.

路由器在整个网络模型的网络层运行，比以太网高了一级。

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This is only one step away from the idea of having generic access to repositories and artifacts and be able to tag and link them to the process model or with each other.

这离构建一个通用访问点访问存储库和工件，能够让它们互相标示、连接或与流程模型连接起来的想法只有一步之遥。

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These were good years, during which Dell became the world's largest and most profitable computer-maker, with a supply chain that was easily the most efficient in the industry, if not the world, and a direct-sales model that seemed to keep Dell one step ahead of rival companies selling computers through old-fashioned stores.

ECONOMIST: Michael Dell returns to the helm of the company he founded

In fact I want one or two service providers that will step to my side of the business model.

FORBES: What Apple and Other Trusted Brands Must Do Next