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 发表于 2012-3-15 15:00:09
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| “ECO” is an old term which stands for “engineering change order”. In the early days of circuit design, if a change needed to be made to a part of the design that was already defined or specified,
 you would fill out an “Engineering Change Order” form and have it signed off before making the
 change. Even though most companies no longer use ECO forms, the term is still used, and refers to
 design changes late, or near the end of the design phase.
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