| covering |
The operation of covering a binding in cloth, leather, vellum or other material.
출처: www.redmark.co.nz/gla-e.htm
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|---|---|
| covering |
A mapping of toplogical spaces, p: X -> Y such that for any y in Y there is an open set containing y whose pre-image (ie, set of points that map to it) is a union of open sets of X.
출처: cgd.best.vwh.net/home/flt/flt10.htm
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