构建由单台主机构成的简单服务，而非多依赖的主机构成的服务，可以创建复制服务实例来抵御主机故障。
By building simple services composed of a single host, rather then multiple dependent hosts, one can create replicated service instances that can survive host failures.
由于具有PCMCIA，单个usb设备的Linux设备驱动程序不依赖于主机控制器。
As with PCMCIA, the Linux device drivers for the individual USB devices do not depend on the host controller.
然而，这个库依赖于其他perl库，并且我的主机提供程序有其中一个库的过期版本，因此我在这个方面分析了Python提供的功能。
However, this library depended on other Perl libraries, and my host provider had an outdated version of one of those, so I investigated Python's offerings in this area.
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