Yog tias koj muaj kev xav tau pls hu rau kuv -
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Hauv kev luam ntawv thiab chaw ua haujlwm ib puag ncig, daim ntawv qhov ntev ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab tsim nyog rau ntau yam kev siv. A, B, C, thiab K series sawv cev rau cov qauv qauv siv dav dav thoob ntiaj teb, txhua qhov ua haujlwm sib txawv.
A series ua raws li ISO 216 thiab yog tus cwj pwm los ntawm qhov sib piv ntawm 1: √2, tso cai rau seamless halving rau hauv qhov ntau thiab tsawg thaum khaws cia proportions. Txhua qhov loj me me muaj ib nrab ntawm thaj tsam ntawm qhov ua ntej. Qhov tshwj xeeb muaj xws li:
A0: 841 mm × 1189 mm - siv rau cov ntawv loj loj thiab cov lus qhia.
A1: 594 mm × 841 mm – muab los ntawm A0, haum rau cov lus ceeb toom thiab loj - cov ntaub ntawv.
A2: 420 mm × 594 mm - zoo tagnrho rau cov ntawv sau thiab cov phau ntawv tawm dag zog.
A3: 297 mm × 420 mm - feem ntau siv rau kev nthuav qhia thiab kev kos duab.
A4: 210 hli × 297 hli - qhov loj tshaj plaws rau cov ntaub ntawv, cov ntawv, thiab cov ntawv sau ua haujlwm.
Cov sib txawv me me (piv txwv li, A5, A6) siv cov khoom siv tshwj xeeb xws li daim npav tos txais, daim ntawv qhia, daim ntawv lo, ntawv nplaum, thiab daim npav lag luam.
B series qhia tib lub ntsiab lus piv txwv tab sis pib nrog qhov dav ntawm √2 meters (~ 1.414 m), yielding B0 ntawm 1414 mm × 1000 mm. Thaum tseem ua tau los ntawm kev sib npaug ib nrab, B-series qhov ntev tsis ua raws nraim nrog A-series sib npaug. Cov ntawv thov feem ntau suav nrog cov ntawv luam tawm loj thiab lub hnab ntawv (piv txwv li, B4, B5, B6), nrog rau phau ntawv tsim khoom (piv txwv li, B5 hom).
C series yog tsim tshwj xeeb rau kev tsim cov hnab ntawv. Nws qhov ntev yog tsim los ua kom haum raws li A-series nplooj ntawv- piv txwv li, lub hnab ntawv C5 (162 mm × 229 mm) haum rau A5 daim ntawv tais ntawm A4. Qhov kev sib cuam tshuam no ua kom muaj kev sib raug zoo ntawm cov ntaub ntawv thiab kev xa ntawv.
K series yog hais txog cov ntaub ntawv suav nrog cov qauv, categorized rau hauv cov qauv thiab qhov loj me. Txuj tag nrho- daim ntawv ntsuas 787 mm × 1092 mm, feem ntau siv rau cov phau ntawv thiab cov ntawv nyeem. Cov qauv loj ntsuas 880 mm × 1230 mm, nyiam rau kev nthuav dav xws li cov ntawv tshaj tawm thiab cov ntawv qhia. Los ntawm kev txiav thiab folding meej, ntau phau ntawv ntau thiab tsawg tuaj yeem muab tau los ua kom tau raws li kev xav tau ntau yam luam ntawv.
Kev nkag siab txog cov lus qhia tshwj xeeb ntawm A, B, C, thiab K series pab txhawb kev paub txog kev xaiv hauv ob qho tib si kev tshaj lij thiab niaj hnub cov ntsiab lus, txhim kho kev ua haujlwm ntawm kev ua haujlwm thiab cov khoom tsim tawm zoo thoob plaws cov ntawv thov xws li cov duab loj - nplai duab rau cov khoom siv sau cia.
