Dab tsi yog tag nrho cov metric units ntawm qhov ntev?
Dab tsi yog tag nrho cov metric units ntawm qhov ntev?

Video: Dab tsi yog tag nrho cov metric units ntawm qhov ntev?

Video: Dab tsi yog tag nrho cov metric units ntawm qhov ntev?
Video: Kev Paub Txog 25 Xeem Lus (28-12-2019) (hmong) 2024, Kaum ib hlis
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Feem ntau units uas peb siv los ntsuas ntev hauv metric system yog millimeter, centimeter, meter, thiab kilometer. Lub millimeter yog qhov tsawg tshaj plaws siv chav tsev hauv metric system . Qhov centimeter yog qhov tsawg tshaj plaws tom ntej chav tsev ntawm kev ntsuas. Cov ntawv luv rau centimeters yog cm (piv txwv li, 3 cm).

Hais txog qhov no, dab tsi yog cov metric units nyob rau hauv kev txiav txim los ntawm tsawg tshaj plaws mus rau loj?

Cov hli (mm) yog qhov ntsuas me me ntawm qhov ntev thiab sib npaug 1/1000 ntawm a meter . Cov cm siab ( cm ) yog qhov loj tshaj plaws ntawm qhov ntev thiab sib npaug 1/100 ntawm a meter . Cov decimeter (dm) yog qhov loj tshaj plaws ntawm qhov ntev thiab sib npaug 1/10 ntawm a meter.

Tom qab ntawd, lo lus nug yog, dab tsi yog 7 qhov yooj yim ntawm kev ntsuas hauv qhov ntsuas ntsuas? SI system, tseem hu ua metric system, yog siv thoob ntiaj teb. Muaj xya chav nyob hauv SI system: lub ntsuas (m), kilogram (kg), qhov thib ob (s), kev (K ), ampere (A), mole (mol), thiab candela (cd).

Ib yam li ntawd, cov qauv ntsuas ntawm qhov ntev yog dab tsi?

Yog li, peb tuaj yeem txiav txim siab tias muaj peb lub ntsiab lus tseem ceeb ntawm qhov ntev, piv txwv li, km (km ), ' meter ' (m) thiab ib cm (cm ). Nyem qhov no kom paub txog kev sib raug zoo ntawm peb chav nyob ntawm qhov ntev. Standard units tseem hu ua SI units, uas sawv cev rau International System of Units.

Qhov tsawg tshaj plaws chav tsev ntawm nti yog dab tsi?

Cov nti yog kev lig kev cai tsawg tshaj plaws tag nrho chav tsev ntawm qhov ntev ntsuas nyob rau hauv lub imperial system, nrog kev ntsuas me dua ib nti 1/2, 1/4, 1/8, 1/16, 1/32 thiab 1/64 nti.

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