What Is a Retaining Ring?


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Chinese name
M
English name
fixed reticle
definition
A ring or other marker image that can be used as a reference in a sight or head-up display without displacement relative to the display center.
Applied discipline
Aviation Science and Technology (First-level Discipline), Aviation Weapon System (Second-level Discipline)
The above content was published by the National Science and Technology Terminology Examination Committee.

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