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・ Defensible space
・ Defensible space (fire control)
・ Defensible space theory
・ Defensin
・ Defensin, alpha 1
・ Defensin, beta 1
・ Defensio pro Populo Anglicano
・ Defensio Secunda
・ Defensive aids system
・ Defensive alliance
・ Defensive attribution hypothesis
・ Defensive back
・ Defensive computing
・ Defensive coordinator
・ Defensive democracy
Defensive design
・ Defensive driving
・ Defensive end
・ Defensive expenditures
・ Defensive fighting position
・ Defensive grenade wz. 33
・ Defensive gun use
・ Defensive jihad
・ Defensive medicine
・ Defensive memorial cordon
・ Defensive meritorious badge
・ Defensive Organization of Corsica
・ Defensive patent aggregation
・ Defensive Patent License
・ Defensive pessimism


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Defensive design : ウィキペディア英語版
Defensive design

Defensive design is the practice of planning for contingencies in the design stage of a project or undertaking. Essentially, it is the practice of anticipating all possible ways that an end-user could misuse a device, and designing the device so as to make such misuse impossible, or to minimize the negative consequences. For example, if it is important that a plug be inserted into a socket in a particular orientation, the socket and plug should be designed so that it is physically impossible to insert the plug incorrectly. Power sockets are often keyed in such a manner, to prevent the transposition of live and neutral.
Defensive design in software engineering is called defensive programming. Murphy's law is a well-known statement of the need for defensive design.
==Examples==

* Many electrical connectors apply this principle by being asymmetric.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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