Ib daim duab lossis daim duab ob sab yog ib daim duab uas nyob hauv ib lub dav hlau. Thaum koj kos duab, los ntawm tes los yog nrog lub khoos phis tawj program, koj kos duab ob sab. … Polygons raug kaw, cov duab ob sab uas tsim los ntawm peb lossis ntau dua kab uas sib tshuam ntawm lawv qhov kawg nkaus xwb.
piv txwv ntawm daim duab 2-dimensional yog dab tsi?
Ib lub voj voog, square, duab plaub, thiab daim duab peb sabyog qee qhov piv txwv ntawm ob sab khoom thiab cov duab no tuaj yeem kos rau ntawm daim ntawv. Tag nrho cov duab 2-D muaj ob sab, vertices (pob), thiab cov ces kaum sab hauv, tshwj tsis yog lub voj voog, uas yog daim duab nkhaus.
2D duab nrog piv txwv yog dab tsi?
2D cov duab yog cov duab nrog ob qhov ntev, xws li qhov dav thiab qhov siab. Ib qho piv txwv ntawm 2D duab yog ib daim duab plaub lossis lub voj voog. 2D duab yog tiaj tus thiab tsis tuaj yeem tuav lub cev, vim tias lawv tsis muaj qhov tob; 2D duab yog tiaj tiaj.
Daim duab 2-dimensional puas qhib tau?
A 2D duab yog ib qho duab uas nyob hauv lub dav hlau thiab tsuas muaj qhov ntev thiab dav, tab sis tsis muaj qhov siab lossis qhov tob. 2D duab tuaj yeem faib ua cov duab kaw thiab qhib cov duab. Lub kaw lus txhais tau hais tias nws ob sab txuas los ntawm qhov kawg mus rau qhov kawg uas tsis muaj kev sib tsoo.
Dab tsi yog ob qhov ntev ntawm daim duab ob sab?
Ob Dimensional
Cov duab 2-dimensional lossis cov khoom hauv geometry yog cov duab dav hlau tiaj tus uas muaj ob qhov ntev - ntev thiabdav. Ob-dimensional lossis 2-D duab tsis muaj qhov tuab thiab tuaj yeem ntsuas hauv ob lub ntsej muag xwb.
