This is why IT firms are always trying to move "up the stack", reducing their dependence on hardware and pushing up into software and services, where margins are higher.

这就是IT公司总是想要凌驾于硬件之上，减少对硬件的依赖，转向利润更高的软件和服务业的原因。

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The new website follows the format of Stack Overflow but it has a different community in mind, the hardware guys, the system admins and generally people in an it staff.

新网站沿用了Stack Overflow的格式，但它实质上是一个不同的社区，主要针对硬件人员、系统管理员和一般的IT人员。

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Following is a brief description of the test environment, including information about the hardware and software in each layer of the stack.

以下是测试环境的简要描述，包括堆栈的每个层中的硬件和软件的相关信息。

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The other thing is that hardware is the least innovative layer of the technology stack.

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The object of Deltacloud is to open up competition and choice in the cloud market, just as Red Hat Linux did in the hardware market, eliminating the switching cost of investing in a new stack of proprietary offerings and allowing cloud users to invest the savings into conducting application development that truly differentiates them.

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Thirdly, converged infrastructures for cloud could get a boost through tighter integration between the hardware and OS, thanks to performance optimizations, better resource automation, and fault management throughout the stack.

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