a system of running a computer program using a lot of small computers that are connected together in order to do very complicated jobs 网格计算〔指把许多小型计算机连接起来运行一个程序〕
From Longman Business Dictionary
grid computingˈgrid comˌputing
COMPUTINGa system of running a computer program using a lot of small computers that are connected together in order to do very complicated jobs