Cabirka Guud ee Culayska Halbeegyada la isla gartey in lala isticmaalo Nidaamka Caalamiga ee Halbeega dunida waxaa ka mid ah kuwan hoos ku xusan. Maqaalkan waa la bilaabay. Hadii aad wax ka taqaanid fadlan ka caawi Wikipedia in aad Wax ku dartid. Qoraalkaagu ha noqdo mid faa'iido leh oo dhexdhexaad ah. Template:SIbrochure8th ISO 80000 (PDF), p. 23 http://www.iau.org/static/publications/stylemanual1989.pdf  Maqan ama ebar |title= (caawin) In this case it is not the speed of light, but the length of the metre that is obtained by experiment