#noindex
##=====준선,directrix =,directrix 준선 directrix
MKL
[[기하학,geometry]]
[[직선,line]]

{
Confirmed 준선 via KmsE:directrix [[Date(2024-08-11T12:03:52)]].

REL
[[conic_section]]

https://mathworld.wolfram.com/ConicSectionDirectrix.html
WtEn:directrix ?
WpSp:Directrix ?
WpEn:Directrix - disambig.
 MKL generatrix ... WtEn:generatrix WpEn:Generatrix .... NN:generatrix Ggl:generatrix Bing:generatrix / Not in KmsE:generatrix
Ndict:directrix Ndict:준선 Ggl:준선
https://everything2.com/title/Directrix (tmp)
}