Daim kab xev centimeter yog ib yam khoom tseem ceeb hauv tsev. Peb siv nws nyob rau hauv rooj plaub uas peb yuav tsum paub qhov ntev, dav lossis thickness ntawm ib yam dab tsi. Kab lus no yuav tsom mus rau qhov tsim nyog thiab muaj txiaj ntsig zoo hauv tsev. Koj tuaj yeem kawm paub ntau qhov tseeb txog nws tam sim no.
History of Appearance
Daim kab xev centimeter tau tshwm sim thawj zaug hauv xyoo 1847 hauv Fabkis. Nws tau tsim los ntawm tus kws txiav plaub hau Alexis Lavin, tus tswv ntawm kev txiav thiab xaws Empress Maria Eugenie nws tus kheej. Rau tus poj niam no, nws tsim thiab xaws cov khaub ncaws zoo nkauj tshaj plaws nyob rau lub sijhawm ntawd. Los ntawm txoj kev, nws yog tus tsim ntawm Esmod, thawj lub tsev kawm ntawv zam.
Daim kab xev ntsuas yog dab tsi?
Tus kav mos (raws li tus cwj pwm ntawm tus kws txiav plaub hau no kuj hu ua) yog ua los ntawm cov ntaub yas lossis cov yas mos. Qhov ntev ntawm daim kab xev yog 1.5 meters (150 cm), qhov dav yog 1.5-2 centimeters. Cov cim rau ntawm nws yog siv nyob rau hauv lub ntsiab faib nrog ib tug ncua sij hawm ntawm 1 cm thiab intermediate division nyob rau hauv 1 hli. Kev nyeem cov ntsuas ntsuas ntawm txhua sab pib los ntawm qhov kawg ntawm qhov kawg. nqaimcentimeter strip yog dai kom zoo nkauj nrog hlau rivets uas tiv thaiv cov khoom los ntawm hnav.
Daim kab xev centimeter yog muag hauv pob ntawm peb hom. Qhov yooj yim tshaj plaws tsim ntawm ib tug mos mos yog ib daim ntawv wrapper. Daim kab xev yog muab qhwv rau hauv ib lub voj voog, thiab tom qab ntawd rub nrog daim ntawv siv.
Kev xaiv ntim thib ob yog lub thawv yas puag ncig nrog lub hau. Qhov kev tsim no yooj yim rau kev ua haujlwm ntxiv thiab khaws cia ntawm daim kab xev. Nyob rau hauv xws li ntim, cov khoom tsis khoov los yog wrinkle.
Nyob ntawm lub khw rhawv muaj ib daim kab xev centimeter nyob rau hauv daim ntawv ntawm daim kab xev ntsuas. Xws li ib qho yooj yim hauv tsev, tab sis nws yuav tsis yooj yim rau kev siv nws rau nws lub hom phiaj, rau tus neeg txiav txim siab xav tau. Vim li cas? Qhov ntsuas ntawm tus pas ntsuas no tsis pib los ntawm ntug, yog li txhua zaus koj yuav tsum ntxiv ib centimeter rau txhua qhov ntsuas. Tsis tas li ntawd, lub hauv paus-lub thawv ntawm xws li daim kab xev ntsuas rub qhov kawg ntawm daim kab xev, yog li txhua qhov kev ntsuas tuaj yeem yuam kev.
daim ntawv thov kho mob
Medimeter daim kab xev kho mob yog siv los ntsuas qhov ntim thiab qhov ntev ntawm tus kheej ntawm lub cev. Ntawm cov khoom niaj hnub ntawm hom no muaj qhov ntsuas hauv centimeters thiab nti. Cov kws kho mob twg hauv qhov kev pabcuam muaj cov khoom siv no? Ib tus kav mos yog siv los ntawm cov kws tshaj lij:
- kws phais mob ntsuas qhov loj ntawm lub cev;
- obstetrician-gynecologist rau ntsuas qhov ncig ntawm lub plab rau cov poj niam cev xeeb tub;
- noj zaub mov kom ntsuas lub duav, lub duav thiab lwm qhov ntawm lub cev;
- kws kho menyuam yaus ntsuas cov menyuam qhov siab, lub taub hau ncig thiablub hauv siab ntawm cov me nyuam mos.
Yuav ua li cas xaiv tus kav muag muag?
Yog tias koj mus tom khw yuav khoom siv xws li daim kab xev centimeter, nqa ib daim ntawv nrog koj. Vim li cas qhov no xav tau? Ntawm nws koj yuav xyuas qhov tseeb nplai ntawm daim kab xev. Feem ntau, muab piv rau cov khoom no, tso tawm los ntawm cov tuam txhab sib txawv, koj tuaj yeem pom qhov sib txawv kiag li hauv kev faib tawm. Thiab ntawm nplooj, koj paub tseeb tias ib lub cell yog 0.5 centimeters. So ntawm daim kab xev ntsuas tawm tsam daim ntawv thiab saib seb qhov ntsuas puas phim cov kev nyeem.
Qhov tom ntej no koj yuav tsum xyuam xim rau thaum yuav khoom yog xim ntawm cov khoom. Xaiv rau cov kab uas muaj xim ci ntsa iab uas yuav ua rau koj yooj yim dua rau koj pom nws hauv kev muaj tswv yim clutter uas feem ntau tshwm sim hauv chav txiav khaub ncaws.
Thaum xaiv tus pas ntsuas mos, nco ntsoov tias nws yuav tsum mos thiab elastic. Cov khoom tsis nruj yuav tsis haum nruj rau ntawm daim ntawv thiab ntaub, khoov, thiab qhov no yog fraught nrog rau qhov tseeb tias txhua qhov kev ntsuas yuav xaus ua yuam kev.
Yog tias daim kab xev ntsuas raug torn, ncab lossis frayed, tsis txhob sim kho nws. Tag nrho tib yam, qhov ntsuas ntawm nws qhov ntsuas yuav twb tsis raug. Cov khoom siv no pheej yig, yog li nws zoo dua los yuav ib qho tshiab tam sim ntawd.
