系统(Systems)->项目集(Programms)->项目(Projects)
系统:
A group of elements, either human or nonhuman, that is organized and arranged in such
a way that the elements can act as a whole toward achieving some common goal or
objective.
项目集:
Programs can be construed as the necessary first-level elements of a
system.
Programs can be regarded as subsystems. However, progr...
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系统(Systems)->项目集(Programms)->项目(Projects)
系统:
A group of elements, either human or nonhuman, that is organized and arranged in such
a way that the elements can act as a whole toward achieving some common goal or
objective.
项目集:
Programs can be construed as the necessary first-level elements of a
system.
Programs can be regarded as subsystems. However, programs are generally defined as
time-phased efforts, whereas systems exist on a continuous basis.
项目:
Projects are also time-phased efforts (much shorter than programs) and are the first
level of breakdown of a program. A typical definition would be:
● NASA/Air Force Definition: A project is within a program as an undertaking that
has a scheduled beginning and end, and that normally involves some primary
purpose.
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