idle machines meaning in English

闲置的机器

For example , imagine large enterprise companies with thousands of idle machines that could sell their computing power and make money from the use of grid technology to provide cpu power to research and other cpu hungry installations
比如说，假使大公司具有几千台空闲的机器，他们就可以将自己的计算力卖掉，通过给科学研究和其他cpu密集型任务提供cpu资源，从网格技术的应用中赚到钱。