GB: GB ndiyo Chinese Pinyin chidimbu che "National Standard", zvinoreva kuti mwero wenyika yePeople's Republic of China.

ISO: Chidimbu cheChirungu cheInternational Organisation for Standardization. Iro zita rizere iInternational Organisation for Standardization kana International Standard Yakarongeka

IEC: ndiko kupfupiswa kweInternational Electro technical Commission (International Electro technical Commission). Iye zvakare isiri-yehurumende yepasi rose sangano uye musangano weGrade A wekuyedza weUnited Nations Social uye Economic Council. Iyo yakagadzwa zviri pamutemo mu1906 uye ndiyo yekutanga yepasirese yakasarudzika masisitimu epasi rose ekumisikidza.

IEEE: Institute of Electrical and Electronics Injiniya (IEEE) Iyo Institute of Electrical uye Electronics Injiniya (IEEE) isangano repasi rese rezvemagetsi tekinoroji uye ruzivo sainzi mainjiniya. GB ndiyo yenyika yakajairwa Chinese pinyin chidimbu. Maitiro eChina emunyika.

IEC: Ndicho chidimbu cheInternational Electrotechnical Commission. Chiyero chinoenderana ndicho chiyero chakamisikidzwa neInternational Organisation iyi yeStandization, inova ndiyo mwero wepasi rose unonzwisiswa nemagetsi.

ISO ndiyo chidimbu cheInternational Organisation for Standardization, uye muyero unoenderana unoratidzwa neIO + nhamba, iyo yakafara kupfuura chiyero cheIEC. IEEE ndiko kupfupiswa kweInstitute of Electrical and Electronics Injiniya, uye zviyero zvayo zvinovhara nzvimbo dzenzvimbo, makomputa, kufonera, biomedicine, simba, uye zvemagetsi zvevatengi.