This environment is also used to test installation and operational procedures which are often operating system specific.
这种环境还可以用于测试安装和操作程序，它们常常是特定于操作系统的。
2
A useful test to ascertain operational efficiency is simply to load up the system as much as possible to see if the air is actually cooling at the vents sufficiently.
The results of performance test and field operational aspect showed at the end of this thesis indicate that all performance indexes of system match the design requirements.