VMM is a program on a host system that lets one computer support multiple, identical execution environments.

VMM是主机系统上的一个程序，它让一台计算机支持多个相同的执行环境。

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Like their biological namesakes, computer viruses replicate by attaching themselves to a host (a program, or a computer) and coopting the host's resources to copy themselves.

就像他们生物学中的同名物一样，计算机病毒复制时就是将自己俯身于宿主上（一个程序或是计算机），然后利用宿主的资源来复制自己。

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On the physical hardware, a control program can be the host operating system or a hypervisor (see Figure 1).

在物理硬件上，控制程序可能是主机操作系统或管理程序(见图1)。

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House Republicans passed legislation this month that would swap looming Pentagon spending cuts with a host of domestic program reductions opposed by congressional Democrats.

CNN: House passes $643 billion defense bill

Peg Eddy remembers offering to host a couple of Australian high schoolers for a school exchange program.

MSN: The real costs of houseguests

So, when msnbc was looking for a host for their new small business program Your Business, I had experience as both an entrepreneur and a journalist.

FORBES: 4 Marketing Tips For Small Businesses From 'Your Business' Host JJ Ramberg