Ib daim npav ntsuas suav nrog daim npav txiav rau tus qauv loj, siv rau kev kaw thiab khaws cia me me ntawm cov ntaub ntawv sib cais. Ib qho kev sau ntawm cov ntawv teev lus xws li, lossis pab tsim, qhov ntsuas rau kev tshawb nrhiav cov ntaub ntawv nrawm. Qhov system no tau tsim los ntawm Carl Linnaeus, nyob ib ncig ntawm 1760.
txhais tau li cas los ntawm daim npav index?
chiefly British.: ib daim npav uas muaj cov ntaub ntawv sau rau ntawm lawv thiab tau muab tso rau hauv cov ntawv sau tshwj xeeb tshaj yog: ib daim npav hauv tsev qiv ntawv uas muaj cov ntaub ntawv hais txog cov phau ntawv, phau ntawv, thiab lwm yam, sau rau ntawm lawv thiab tau teem rau hauv cov ntawv sau: daim ntawv teev npe.
daim npav qhia txog kev lag luam yog dab tsi?
Ib daim npav ntsuas yog ib daim npav nrog cov ntaub ntawv sau rau ntawm lawv, khaws cia hauv kev txiav txim tshwj xeeb kom cov ntaub ntawv tuaj yeem nrhiav tau yooj yim. … Nws yog siv los kov yeej qhov tsis zoo ntawm phau ntawv ntsuas. Qhov ntsuas tau npaj los ntawm kev faib ib daim npav cais rau txhua daim ntawv. Cov ntaub ntawv xav tau yog sau rau ntawm daim npav.
Daim npav ntsuas kev tshawb fawb yog dab tsi?
Txhawm rau ua kom yooj yim rau koj tus kheej, koj tuaj yeem siv daim npav ntsuas qhov system thaum koj sau cov ntaub ntawv. Nrog rau txoj kev no, koj categorize cov ntaub ntawv koj pom los ntawm lub ncauj lus. Rau txhua lub ncauj lus, koj tuaj yeem muaj ntau daim npav los ntawm ntau qhov chaw sib txawv.
daim npav ntsug yog dab tsi?
Daim npav Index lossis Vertical Card Index. Ib yam loj ntawm daim npav yog siv raws li txoj kev no. Qhov ntev ntawm daim npav yuav yog 4 los yog 5 ″ thiab dav ntawm daim npav yuav yog 2.5 ″ lossis 3 ″. Cov ntawv teev lus no yog khaws cia vertically. Li no, txoj kev no hu ua vertical card Index.