English to Chinese Tech/Engineering IT (Information Technology)

Don Buskard, senior vice president and CTO at AXA Financial, a $7.5 billion insurance and financial services company, compares his service-oriented architecture (SOA) to a system of gears: some big and slow-turning, some small and fast. And Buskard believes SOA is the right mechanism—a transmission of sorts—for an IT environment (like so many others) in which relatively ponderous data-crunching legacy systems must mesh with agile front-facing applications.
＝front-end applications？