| 释义 |
top-down design top-down design[′täp ¦dau̇n di′zīn] (industrial engineering) A design methodology that proceeds from the highest level to the lowest and from the general to the particular, and that provides a formal mechanism for breaking complex process designs into functional descriptions, reviewing progress, and allowing modifications. top-down design (programming)(Or "stepwise refinement"). The software designtechnique which aims to describe functionality at a very highlevel, then partition it repeatedly into more detailed levelsone level at a time until the detail is sufficient to allowcoding. This approach to software design probably originatedat IBM, and grew out of structured programming practices.top-down designA design technique that starts with the highest level of an idea and works its way down to the lowest level of detail. See top-down programming. |