For product testing, hardware and operating system-level virtualization helps in reducing the number of physical servers required and time required to set up the servers.
对于产品测试，硬件和操作系统级虚拟化有助于减少需要的物理服务器数量和设置服务器所需的时间。
If the operating system can't find the required mapping in the cache, it has to spend some more time completing the translation.
如果操作系统无法在缓存中找到所需的映射，它就必须花更多的时间完成转换。
These applications refer to the operating system, run time environments, source control repository, and any other required middleware.
这些应用程序是指操作系统、运行时环境、源代码控制存储库和必需的所有其他中间件。
Install the operating system, run time environments, source control repository, and any other required middleware.
安装操作系统、运行时环境、源代码控制存储库和必需的所有其他中间件。
As a result, the operating system is too busy paging to give the application server the required CPU time.
导致运行的系统过度繁忙而无法给应用服务器所需的CPU时间。
Because of its high computational cost, the operating speed of DCT will be a key factor in the case where real time processing are required.
DCT的运算量极大，因而在一些高速或实时场合，能否快速实现DCT就成为一个关键因素。
Because of its high computational cost, the operating speed of DCT will be a key factor in the case where real time processing are required.
DCT的运算量极大，因而在一些高速或实时场合，能否快速实现DCT就成为一个关键因素。
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