Mene ne QFontDatabase bakwai ƙafafunsu kuma ko da ta faru a kafadu?

An dade kasance a Rasha, ya faye hali da gwarzo ko kamar wani babban mutumin, ya ce, "nuna bambanci bakwai feet a kafaɗarsa." Mẽne ne - bakwai ƙafafunku? Shin ainihin definition daga cikin kirji nisa ko m hyperbole? Bari mu fuskanci shi. Bayan da saba mana mita, santimita (kuma tare da wani kilogram da wani lita) to an dauka quite kwanan nan a matsayin matakan.

Tuni a zamanin da mutane da ji da bukatar wani tsawon. Wannan ake bukata yin lissafi nisa, domin gina gine-gine, domin aunawa da yawa na kayayyakin (msl, nama). Saboda haka mutane suka yi ta neman wasu duniya ma'aunin darajar. Kamar yadda akai, kamar yadda mai mulkin, suka riƙi sigogi na wasu sassa na wani jikin mutum. Saboda haka a Kievan Rus aka haife bakwai feet - wani gwargwado na tsawon daidaita da nisa na biyu shimfiɗaɗɗu ne hannuwa a gaban kwatance. Asalin wannan lokaci ake dangantawa da Old Slavonic "syagat". A cikin Ukrainian harshe har yanzu suna da manufar "dosyagati", "syagnuti" (isa, kai). A Rasha, wannan lokaci ya kasance a cikin kalmar "rantsuwar" saboda a lokacin da mutane rantse da suka miƙa hannunsa na dama sama.

Da sauƙi, mutane ne daban-daban, sabili da haka da hannu span duk daban-daban. Sazhen a Kiev Rus mita da kuma jeri daga 42 santimita zuwa 52 santimita da mita. Kan daidai da wannan ma'auni na tsawon aka tafiya inch, yadi, inch, kamu ɗaya. Tare da gwiwar hannu a fili yake - wannan shi ne tamanin da ulna, kuma shi ne abin da inch? Wannan shi ne da nisa tsakanin iyakar spaced baya yatsa da kuma thumb. The darajar ne ma zumunta - don wani kwararren pianist span muhimmanci mafi girma fiye da saba. Kuma duk da haka, da kuma fathoms sun daban-daban: da flywheel, da Girkanci, da kwastan da kuma riga da aka ambata QFontDatabase gane.

Abin sha'awa, Birtaniya misali da matakan na tsawon sun kasance ... su da sarakunansu. Saboda haka, da na aikin kafa - shi ne tamanin da ƙafãfunsu Ioanna Bezzemelnogo, kuma yadi - da nisa daga karshe phalanx na tsakiyar yatsa na hannun damansa ya miƙa zuwa tip na hanci na Henry I. Amma ga misali sigogi da aka dauka wani mutum a Birtaniya Tsibirin aka ba da irin wannan discordance matakan a Slavic asashe. Saboda haka, a cikin XVI karni shi da aka soma breech gane - 2 mita 13,36 cm Amma a cikin kasar a hankali kenan .. Tare da a saki Rasha da teku, da kuma ci gaban da shipping daga Birtaniya shi da aka aro gane. Bayan da igiya, wanda aka daura wa kaya ya auna zurfin, auna ɗaukar hoto na biyu hannuwanku. Yana da zahiri har yanzu sauki fathoms. Amma a cikin shipping masana'antu soma wani uniform da 1958 misali na awo na tsawon daidaita 1,8288 cm.

Ya zauna kawai don gano cewa, irin wannan QFontDatabase gane. Don auna ci gaban mutum girma ya ɗaga hannunsa na dama tare da dantsenka mai yatsu. A nesa daga tip na tsakiyar yatsa ga diddige da kuma daidaita QFontDatabase fathoms. Ko shan la'akari da cewa mutanen suna girma a zamanin da aka kasa da tsawo na zamani mutane (game da 165 cm), da tsawon irin wannan ma'auni ne har yanzu daidai mita biyu da kuma 48 santimita. A fili yake cewa wannan kafada nisa kawai ba ya faru a yanayi.

Makarai, laba, gwiwar hannu da kuma QFontDatabase bakwai ƙafãfunsu daga amfani a 1917, lokacin da gwamnatin rikon kwaryar kasar ya dauki nahiyar awo tsarin. Platinum mita Stores a London kamar yadda a duniya misali na tsawon, ko da yake Birtaniya, bi da Amirkawa, har yanzu ƙaddara tsawo da nisa a yadudduka da ƙafafunsa.