lock-in

[′läk ‚in] (electronics) Shifting and automatic holding of one or both of the frequencies of two oscillating systems which are coupled together, so that the two frequencies have the ratio of two integral numbers.

lock-in

(standard)When an existing standard becomes almost impossibleto supersede because of the cost or logistical difficultiesinvolved in convincing all its users to switch somethingdifferent and, typically, incompatible.

The common implication is that the existing standard isnotably inferior to other comparable standards developedbefore or since.

Things which have been accused of benefiting from lock-in inthe absence of being truly worthwhile include: the QWERTYkeyboard; any well-known operating system or programminglanguage you don't like (e.g., see "Unix conspiracy"); everyproduct ever made by Microsoft Corporation; and mostcurrently deployed formats for transmitting or storing data ofany kind (especially the Internet Protocol, 7-bit (or even8-bit) character sets, analog video or audio broadcastformats and nearly any file format).

Because of network effects outside of just computernetworks, Real World examples of lock-in include the currentspelling conventions for writing English (or French, Japanese,Hebrew, Arabic, etc.); the design of American money; theimperial (feet, inches, ounces, etc.) system of measurement;and the various and anachronistic aspects of the internalorganisation of any government (e.g., the American ElectoralCollege).

单词	lock-in
释义	lock-in lock-in n an illegal session of selling alcohol in a bar after the time when it should, by law, be closed lock-in lock-in [′läk ‚in] (electronics) Shifting and automatic holding of one or both of the frequencies of two oscillating systems which are coupled together, so that the two frequencies have the ratio of two integral numbers. lock-in (standard)When an existing standard becomes almost impossibleto supersede because of the cost or logistical difficultiesinvolved in convincing all its users to switch somethingdifferent and, typically, incompatible. The common implication is that the existing standard isnotably inferior to other comparable standards developedbefore or since. Things which have been accused of benefiting from lock-in inthe absence of being truly worthwhile include: the QWERTYkeyboard; any well-known operating system or programminglanguage you don't like (e.g., see "Unix conspiracy"); everyproduct ever made by Microsoft Corporation; and mostcurrently deployed formats for transmitting or storing data ofany kind (especially the Internet Protocol, 7-bit (or even8-bit) character sets, analog video or audio broadcastformats and nearly any file format). Because of network effects outside of just computernetworks, Real World examples of lock-in include the currentspelling conventions for writing English (or French, Japanese,Hebrew, Arabic, etc.); the design of American money; theimperial (feet, inches, ounces, etc.) system of measurement;and the various and anachronistic aspects of the internalorganisation of any government (e.g., the American ElectoralCollege). lock-in lock-in (lok′in″) 1. In a health care insurance plan, a provision that requires that the insured party receive all health care services from providers who participate in the plan.2. In biomedical engineering, a forcing function that requires that certain actions be undertaken in a specified sequence to avoid mishaps or errors. ThesaurusSeelock in
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