Vim li cas metric prefixes siv?
Vim li cas metric prefixes siv?

Video: Vim li cas metric prefixes siv?

Video: Vim li cas metric prefixes siv?
Video: How to Convert Metric Units. Using Prefixes to Convert within the Metric System 2024, Kaum ib hlis
Anonim

Metric Prefixes yog qhov muaj txiaj ntsig zoo heev rau kev piav qhia ntau npaum li cas ntawm International System of Units (SI) nyob rau hauv ntau qhov succinct. Thaum tshawb txog lub ntiaj teb ntawm electronics, cov units ntawm ntsuas yog ib qho tseem ceeb heev thiab tso cai rau tib neeg los ntawm thoob plaws lub ntiaj teb sib txuas lus thiab qhia lawv txoj haujlwm thiab kev tshawb pom.

Hais txog qhov no, yog vim li cas cov prefix siv nyob rau hauv lub metric system?

A metric ua ntej yog unit ua ntej uas precedes ib tug yooj yim chav tsev ntawm kev ntsuas los qhia ib tug ntau los yog ib feem ntawm chav tsev. Cov ua ntej kilo-, piv txwv li, tej zaum yuav muab ntxiv rau gram los qhia qhov sib npaug ntawm ib txhiab: ib kilogram yog sib npaug rau ib txhiab grams.

Vim li cas peb thiaj siv qhov ntsuas ntsuas? Tsis zoo li British Imperial Qhov system , cov metric system , los yog SI (los ntawm Fabkis Système International), yog raws li ib tug natural tas mus li. SI yog tsim los ua kom ntsuas thiab ntsuas tau yooj yim ua thiab nkag siab, uas yog ib qho laj thawj tseem ceeb rau cov kws tshawb fawb. siv nws.

Ib sab saum toj no, vim li cas peb thiaj siv prefixes nrog cov qauv ntsuas?

A unit ua ntej yog siv ntawm metric units ntawm ntsuas los qhia ntau lossis feem ntau ntawm cov units . Cov ua ntej ntawm cov metric system, xws li kilo thiab milli, sawv cev sib npaug los yog faib los ntawm lub zog ntawm kaum. Lub metric system yog tiag tiag yooj yim rau siv tshaj qhov system "ko taw thiab ntiv tes".

Puas yog DM Deci lossis Deca?

Lub decimeter (SI cim ua dm ) yog ib chav tsev ntawm qhov ntev nyob rau hauv metric system, sib npaug rau ib feem kaum ntawm ib 'meter' (International System of Units base unit ntawm ntev), kaum centimeters los yog 3.937 ntiv tes.

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