Nyob rau xyoo 1795, thaum lub metric system tau qhia, cov txhais tau hais tias 100 square metres thiab hectar ("hecto-" + "are") yog li 100 ares lossis 1⁄100 km 2 (10,000 square metres). … Lub hectar, txawm li cas los xij, tseem yog chav tsev tsis yog SI tau txais los siv nrog SI thiab nws qhov kev siv yog "cia siab tias yuav txuas ntxiv mus tsis kawg "
Lub tebchaws twg siv hectares?
Txawm hais tias yog qhov tseem ceeb ntawm kev ntsuas av, hauv kev xyaum, hectare yog siv ntau dua. Lub hectar yog, los ntawm cov ntsiab lus tom ntej, sib npaug rau djerib hauv Turkey, jerib hauv Iran, gong qing hauv Suav teb av loj, manzana hauv Argentina, thiab bunder hauv Netherlands.
Vim li cas peb thiaj siv hectares?
Ib hectar yog ib chav tsev ntawm thaj tsam sib npaug li 10,000 square meters. Ib txwm siv los ntsuas av. Piv txwv li: ib lub square uas yog 100 meters ntawm txhua sab muaj thaj tsam ntawm 1 hectar.
Koj siv hectares hauv kab lus li cas?
hectare in a kab lus
- Qhov project yuav tsum siv thaj tsam li 500 hectares.
- Qhov no tau nce los ntawm tsuas yog 4,904 hectares hauv xyoo 1994.
- Ib hectare ntau lawm tam sim no txog 120 tons hauv ib xyoos.
- Tus naj npawb ntawm hectares cog xyoo tas los tsis muaj.
- Qhov piv rau 17 hectares tso tawm peb lub xyoos dhau los.
hectares txhais li cas?
: ib chav tsev ntawm thaj tsam sib npaug li 10, 000 square metres - saib Metric System Table.