Таджикистан – Энциклопедия на таджикском языке КИТОБАМ

METEORITI SIKhOTE-ALIN, meteoriti azimi Oshanin, ki 12 fevrali 1947 dar shokhahoi garbii q-kuhi Sikhote-Alin ba Zamin aftidaast. Meteoriti Sikhote-Alin dar balandii 4—5 km az sathi Zamin pora shuda, ba namudi boroni meteoritii ohani fuuu rekht. Dar joi aftishi porahoi kalontarini Meteoriti Sikhote-Alin tanuraho (diametrashon az 4 to 28 m) ba …

METEORITI TUNGUS, nomi yak voqeai nodiri tabiat ast, ki soati 7 pagohii 30 iyuni 1908 dar havzai d.  Podkamennaya Tunguska (hozira okrugi avtop. Evenkkho, kishv. Krasnoyarski RSFSR) ruy doda bud. Padidai mazkur ba hodisai aftishi meteoritho monandi dosht, az jihati miqyos az on ba kulli farq mekard. Dar davomi yakchand …

METALLHOI RANGA, nomi tekhnikai hamai metallho va khulahoi onho (gayr az ohan va khulahoi on, ki metallhoi siyoh nom dorand). Istilohi «Metallhoi ranga» dar zaboni tojiki bo termini «metallhoi gayriohan»-i bisyor zabonhoi digar muvofiq meoyad. Dar tekhnika Metallhoi rangaro az rui alomathoi khosai gunogun ba guruhho judo mekunand (metallhoi sabuk, …

METAMANTIQ, nazariyaest, ki sistemayu mafhumhoi mantiqi shaklii muosirro meomuzad. Metamantiq tahqiqi nazariyai isbot, tarifi mafhumu haqiqat dar zaboni ramzi, tabir va g.-ro dar bar megirad. Metamantiq ba du qism judo meshavad; sintaksisi mantisi va semantikai mantiqi. Inkishofi Metamantiq bo bunyod va omuzishi khosiyathoi zaboni ramzi vobasta ast.

METAMATEMATIKA, nazariyai isbot, nazariyai isbotho, ilmest, ki nazariyahoi shaklii matematiki va tarzu usuli isboti matematikiro tadqiq mekunad. Teoremahoe, ki ba yagon nazariyai matematiki (mas., arifmetika, geometriyai Evklid, nazariyai guruhho) oidand, du navand. Ba navi yakum tsoremahoe mansuband, ki tanho bo metodhoi nazariyai predmeti isbot karda meshavand. Ba navi duyum teoremahoe …