English to Chinese Tech/Engineering Computers: Software SOA

That’s quite a stack of stuff, but you don’t need to make sweat-inducing technology decisions about what you’ll change, add, or keep quite yet. You’ll be busy enough figuring out how to map and normalize data among the systems involved. As Timothy Vibbert of Lockheed notes, data among various systems can be “defined 15 different ways, 15 different times for the same data element.” Reconciling that metadata is hard, tedious work.
XX及规范？此处的map作何解释？