Home›Browse›Dual system🌐EnglishEnglishDeutschFrançaisPolski中文日本語Image by Snap_it on Pixabay · Pixabay LicenseEntityQ96376663· pop 6· linked from 130 articlesDual systemSign in to savedual pair of vector spacesAvailable in 6 languagesFrançaisDeutsch中文日本語Polskivia Wikidata sitelinks · CC0
