Video: Dab tsi yog qhov yuam kev xoom hauv vernier calipers?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Zero yuam kev txhais tau tias yog qhov xwm txheej uas ntsuas ntsuas ntsuas kev nyeem ntawv thaum yuav tsum tsis txhob nyeem ntawv. Yog li cas vernier calipers nws tshwm sim thaum a xoom ntawm lub ntsiab scale tsis coincide nrog ib xoom ntawm vernier nplai.
Tom qab ntawd, ib tug kuj yuav nug, yog vim li cas peb muab xoom yuam kev raws li zoo los yog tsis zoo?
Positive zero yuam kev tshwm sim thaum lub '0' marking ntawm vernier nplai tshwm tom qab '0' cim ntawm lub ntsiab. Cov yuam kev yog + x cm. Kom kho qhov kev nyeem ntawv, peb rho cov yuam kev los ntawm kev ntsuas.
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov yuam kev xoom ntawm Screw gauge? Zero yuam kev : Thaum cov pob txha ruaj A thiab movablestud B raug coj mus rau hauv kev sib cuag yam tsis tau siv rau hauv siab, thiab xoom ntawm lub voj voj voog tsis coincide nrog rau kab lus, muaj a zero yuam kev.
Kuj kom paub, dab tsi yog qhov yuam kev xoom?
AQA Science: Glossary - Zero Kev ua yuam kev Txhua qhov qhia tias qhov ntsuas ntsuas muab qhov kev nyeem tsis tseeb thaum tus nqi tseeb ntawm qhov ntsuas qhov ntsuas yog xoom , np. koob ntawm ammeter tsis rov qab mus rau xoom thaum tsis muaj dej ntws. A zero yuam kev tuaj yeem ua rau muaj qhov tsis paub tseeb.
Qhov tsawg kawg suav ntawm vernier caliper yog dab tsi?
A Vernier nplai rau caliper tej zaum muaj ib tsawg kawg suav ntawm 0.1 hli thaum lub micrometer yuav muaj a tsawg kawg suav 0.01mm ib.
Pom zoo:
Dab tsi yog qhov sib txawv loj ntawm kev txheeb xyuas qhov yuam kev thiab kev kho cov lej yuam kev?
Ob qhov kev tshawb nrhiav qhov yuam kev thiab kev kho qhov yuam kev yuav tsum muaj qee qhov ntawm cov ntaub ntawv rov qab xa mus nrog cov ntaub ntawv tiag tiag; kev kho yuav tsum muaj ntau tshaj li kev tshawb nrhiav. Parity bits yog ib txoj hauv kev yooj yim rau kev tshawb nrhiav qhov yuam kev. Ib qho parity me ntsis yog ib qho ntxiv me ntsis xa nrog cov ntaub ntawv uas tsuas yog 1-ntsis suav ntawm cov ntaub ntawv
Dab tsi yog qhov txawv ntawm qhov yuam kev hauv kev suav nyiaj?
Muaj ntau ntau hom kev ua yuam kev hauv kev suav nyiaj. Accounting yuam kev yog feem ntau unintentional yuam kev ua thaum sau phau ntawv sau. Subsidiary nkag. Qhov yuam kev ntawm Omission. Transposition yuam kev. Rounding yuam kev. yuam kev ntawm Txoj Cai. yuam kev ntawm Reversal. Qhov yuam kev ntawm Commission
Dab tsi yog qhov kev lees paub yuam kev hauv JUnit?
Lub hauv paus ntsiab lus ntawm JUnit yog muab los ntawm chav kawm org. 1 Assert #fail() cuam tshuam qhov kev lees paub yuam kev yam tsis muaj xwm txheej. Qhov no tuaj yeem pab tau los cim qhov kev xeem tsis tiav lossis kom ntseeg tau tias qhov kev cia siab tau raug muab pov tseg (saib Cov Lus Qhia Tshwj Xeeb Hauv Cov Qauv Xeem)
Vim li cas kev cob qhia yuam kev tsawg dua qhov kev xeem yuam kev?
Kev cob qhia yuam kev feem ntau yuav tsawg dua qhov kev xeem yuam kev vim tias tib cov ntaub ntawv siv los ua kom haum tus qauv yog ua haujlwm los ntsuas nws qhov kev kawm yuam kev. Ib feem ntawm qhov tsis sib xws ntawm qhov kev cob qhia yuam kev thiab qhov kev xeem yuam kev yog vim tias cov txheej txheem kev cob qhia thiab cov ntawv xeem muaj qhov sib txawv ntawm cov khoom siv
Leej twg tsim qhov yuam kev ntawm qhov yuam kev?
Lub sij hawm tseem ceeb ntawm qhov yuam kev raug tsim nyob rau xyoo 1977 los ntawm tus kws kho mob hlwb Lee Ross. Txawm li cas los xij, kev tshawb fawb txog qhov yuam kev tseem ceeb rov qab mus rau xyoo 1950 thaum cov kws paub txog kev puas siab puas ntsws Fritz Heider thiab Gustav Ichheiser pib tshawb xyuas cov neeg nkag siab txog qhov ua rau tib neeg tus cwj pwm