This was the main machine for the original Backrub system.

这是原始备份系统的主要设备。

youdao

The main machine is beefier, with a better NVidia graphics chipset.

主机是beefier，带有较好的NVIDIA图形芯片。

youdao

I also recommend trying out these apps on a spare computer, first -not your main machine.

我也推荐你首先在一个无关紧要的电脑上先试试这些工具——不要在你的重要电脑上先试。

youdao

Our correspondent added that the back-up computer on the rover had previously been used to test software updates before they were installed on the main machine.

BBC: Mars rover

Then, in 1975, a change of government brought a change in policy and Prof Randell was invited to the Cabinet Office to discuss the first official release of information about the Allies' main codebreaking machine.

BBC: The road to uncovering a wartime Colossus

But then you have to consider the limitations of the Chrome OS - it's great if your life is in the "Cloud" and you want an always-online machine whose main function is email, web surfing and social media, but limited if you want to use other applications.

BBC: Who'll pay for a Pixel?