2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub seismogram yog "nyeem" zoo li phau ntawv, ntawm sab laug mus rau sab xis thiab sab saum toj mus rau hauv qab(qhov no yog kev taw qhia tias lub sijhawm nce). Raws li nrog ib phau ntawv, txoj cai kawg ntawm kab kab rov tav "txuas" nrog rau sab laug kawg ntawm kab hauv qab nws. Txhua kab sawv cev 15 feeb ntawm cov ntaub ntawv; plaub kab ib teev.
Koj nyeem li cas seismograph S thiab P nthwv dej?
P nthwv dej yuav yog thawj qhov wiggle uas loj dua cov cim keeb kwm yav dhau). Vim tias P nthwv dej yog qhov ceev tshaj plaws seismic nthwv dej, feem ntau lawv yuav yog thawj tus uas koj cov ntaub ntawv seismograph. Cov txheej tom ntej ntawm seismic nthwv dej ntawm koj seismogram yuav yog S nthwv dej. Cov no feem ntau loj dua P nthwv dej.
Yuav ua li cas seismographs ntsuas av qeeg?
Ib seismograph yog thawj qhov ntsuas av qeeg. Lub seismograph ua rau digital graphic recording of the ground motion los ntawm seismic nthwv dej. Cov ntaub ntawv digital hu ua seismogram. Lub network ntawm cov seismographs thoob ntiaj teb kuaj pom thiab ntsuas lub zog thiab lub sijhawm ntawm av qeeg nthwv dej.
Koj pom P thiab S nthwv dej li cas?
ntsuas qhov kev ncua deb ntawm thawj P nthwv dej thiab thawj S nthwv dej. Hauv qhov no, thawj P thiab S tsis yog 24 vib nas this sib nrug. Nrhiav qhov taw tes rau 24 vib nas this nyob rau sab laug ntawm daim ntawv qhia yooj yim S thiab P mus ncig lub sij hawm nkhaus thiab khij qhov taw tes.
P yoj mus sai npaum li cas?
P-npauj npaim yog thawj nthwv dej rautuaj txog ntawm cov ntaub ntawv ua tiav ntawm kev co hauv av vim tias lawv taug kev nrawm tshaj plaws (lawv lub npe muab los ntawm qhov tseeb - P yog lub npe luv rau thawj, thawj nthwv dej tuaj txog). Lawv feem ntau taug kev nrawm nruab nrab ~ 1 thiab ~ 14 km / sec.
Pom zoo:
Yuav nyeem li cas?
EAN muaj cov ntaub ntawv hauv qab no (1) Lub teb chaws chaws. Sawv cev lub teb chaws. (2) Chaw tsim tshuaj paus code. Sawv cev tus thawj tus muag khoom lub npe. … (3) Cov khoom lag luam code. Txheeb xyuas cov khoom. … Daim ntawv teev npe lub tebchaws.
Vim li cas cov roj nplua nyeem tseem ceeb?
Lubrication txo kev sib txhuam thiab tso cai rau lub tshuab txav mus rau qhov sib luag ntawm ib leeg. … Lubrication yog ib qho tseem ceeb hauv kev ua tau zoo thiab kev cia siab rau lub neej ntawm txhua yam khoom siv tig. Lub roj nplua nyeem tseem ceeb yog dab tsi?
Yuav ua li cas nyeem cov qauv khov khov nab kuab?
Ob hom hom yog nyeem los ntawm kab saum toj pib ntawm sab laug tes, ua haujlwm hla kab ua ntej txav mus rau sab laug tes ntawm kab thib ob. Australian khov hom siv cov cim "alpha angle" - nrog ob kab ntawm plaub lub cim txhua. Koj nyeem hom Standardbred li cas?
Thaum cov ntawv nyeem tau hloov mus rau hom ntawv nyeem tsis tau?
Thaum cov ntawv dawb hloov mus rau hom ntawv nyeem tsis tau, hom ntawv ntawd raug hu ua cipher-text. Kuv yuav encrypt cov ntawv dawb li cas? Muaj ob txoj hauv kev uas cov ntawv sau yooj yooj yim tuaj yeem hloov kho kom tau txais cov ntawv cipher:
Dab tsi yog qhov txawv ntawm kev nyeem ntawv thiab tsis nyeem ntawv?
Taw qhia. Muaj peev xwm nyeem thiab sau tau yog hu ua kev nyeem ntawv; nws opposite is illiteracy. … Hauv qee lub zej zog ib tug neeg uas nyeem tau cov ntawv ntawm cov tsiaj ntawv los yog nyeem thiab sau nws tus kheej lub npe yog suav hais tias nyeem ntawv.
