Cov lus qhia tswv yim 2024, Hlis ntuj nqeg
Kawg hloov kho: 2023-12-16 10:12
Tus tswv me me tsis xav tau tus menyuam lub laub ntev - tsuas yog kom txog thaum nws kawm mus taug kev ntev thiab muaj kev ntseeg siab. Hauv ntau cov menyuam yaus lub tsev muag khoom strollers, muaj qhov chaw pabcuam qhov twg, rau tus nqi me (lossis pub dawb, yog tias tus neeg siv lub laub menyuam tiv thaiv qis), lawv yuav kho qhov tsis ua haujlwm
Kawg hloov kho: 2023-12-16 10:12
"Tsis txhob thim koj lub hnab nyiaj thiab tsev loj cuj," hais tias txoj kev xav nrov. Hauv kev paub dav dav, nws yuav tsum to taub raws li hauv qab no: koj yeej tsis paub txog qhov tsis txaus siab, txawm tias txaus ntshai, qhov xwm txheej koj yuav pom koj tus kheej
Kawg hloov kho: 2023-12-16 10:12
Tus ntaus ntawv hu ua thermal imager tau pom daim ntawv thov hauv ntau qhov ntawm tib neeg lub neej. Ua ntej tshaj plaws, nws yog npaj los saib xyuas kev faib tawm ntawm cov txheej txheem kub hauv sab hauv cov khoom hauv kev kawm, los ntawm kev nthuav qhia duab ci hauv qhov duab hluav taws xob infrared
Kawg hloov kho: 2023-12-16 10:12
Tus oscilloscope ntaus ntawv, lub npe uas tau muab txhais los ntawm ob hom lus raws li hauv qab no - "viav vias" los ntawm Latin thiab "sau" los ntawm Greek Greek - yog ib qho cuab yeej tsim thiab tsim los kawm qhov ntsuas ntawm lub teeb liab hluav taws xob, uas tau pub rau qhov chaw nres nkoj nkag lossis mus rau ib daim kab xev tshwj xeeb
Kawg hloov kho: 2023-12-16 10:12
"Thiab tsis tau, nws hloov!" - cov kab lus encyclopedic no tau qhia los ntawm kws kho mob lub cev thiab tus kws tsim khoom qub txog yav dhau los Galileo Galilei, peb tau paub txij lub sijhawm kawm ntawv. Tab sis vim li cas lub ntiaj teb tig?
Kawg hloov kho: 2023-12-16 10:12
Cov lus hais "Lub ntiaj teb nyias yog zoo dua li muaj kev ua rog zoo (lossis kev sib cav)" tuaj yeem hnov ntau zaus. Yog li lawv tau hais tias kom qhia tau tias qhib kev sib hais tsis yog ib txwm muaj txiaj ntsig, txoj cai, qhov twg zoo dua yog kev coj tus yam ntxwv ib leeg rau ib leeg - "
Kawg hloov kho: 2023-12-16 10:12
Coaxial cable yog qhov nruab nrab uas siv los tshaj plaws rau kev xa cov cim video. Nws yog txhim khu kev qha, pheej yig, yooj yim rau nruab. Tias yog vim li cas xws li cov xaim hluav taws xob feem ntau siv rau cov duab xa hauv xov tooj cua thiab cov chaw soj ntsuam
Kawg hloov kho: 2023-12-16 10:12
Txawm hais tias koj nyuam qhuav tau yuav lub koob yees duab, tom qab ntawv feem ntau koj tau ntsib qhov teeb meem ntawm kev sib kis ntawm lub ntsej muag. Piv txwv li, dej hiav txwv txau, paj ntoos lossis lwm yam pob me me uas tsis tuaj yeem pom tau tshwm sim nyob saum nplaim dej
Kawg hloov kho: 2023-12-16 10:12
Cov txiv hmab txiv ntoo, tej daim ntawm cov txiv hmab txiv ntoo thiab nceb, tshuaj ntsuab muaj txiaj ntsig - txhua yam no tuaj yeem npaj rau hauv txoj kev tshaj plaws, uas yog, qhuav. Thiab tom qab tag nrho, nws tsis yog qhov nyuaj los ua xws li qhov tsim nyog thiab muaj txiaj ntsig xws li chav ziab, thiab koj yuav zoo siab rau cov txiaj ntsig ntawm koj kev ua haujlwm kom txog thaum sau qoob tshiab
Kawg hloov kho: 2023-12-16 10:12
TV tau paub cwj pwm ntawm tib neeg lub neej rau ntau xyoo lawm. Nws yog qhov nyuaj heev kom nrhiav tau ib chav tsev uas tsis muaj cov cuab yeej txais TV. Txawm li cas los xij, nws muaj ob tus neeg txhawb zog siab thiab muaj kev sib cav sib npaug
Kawg hloov kho: 2023-12-16 10:12
Xob laim tuaj yeem yooj yim tig ib tsob ntoo kom tshauv, pib hluav taws hauv tsev, thiab tseem ua rau ib tug neeg. Nws puas tuaj yeem tswj hwm lub caij no txaus? Nws hloov tawm hais tias tib neeg tau tsim txoj hauv kev ntev los tiv thaiv vaj tse thiab lwm yam khoom los ntawm kev txaus ntshai no
Kawg hloov kho: 2023-12-16 10:12
Kev sib zog, qhov pib thiab lwm yam suab nrov tau tsim los tiv thaiv keeb kwm yav dhau los dhau los ntawm kev nkag mus rau lub teeb liab thaum lub sijhawm nres. Tab sis thaum mloog cov lus tsis muaj zog, lawv tus kheej tuaj yeem ua rau tsis hnov lus
Kawg hloov kho: 2023-12-16 10:12
Tam sim no ua tau ib txwm muaj kev sib cuag thiab mus ncig ua si yam tsis muaj kev txwv kev sib txuas lus ua tsaug rau cov kev pabcuam zoo li caij nyooj. Tus nqi ntawm kev sib txuas lus thiab cov hau kev ntawm kev txuas nws yuav yog nyob ntawm tus neeg ua haujlwm tshwj xeeb, nrog rau koj qhov chaw nyob
Kawg hloov kho: 2023-12-16 10:12
Kev sib txuas lus yog ib qho ntawm cov yam ntxwv uas xeeb ceem ntawm tib neeg lub neej. Qhov ntau dua qhov nrug, ntau dua qhov xav tau kev sib txuas lus, yog li ntawd, thoob plaws kev txhim kho ntawm noob neej, cov ntaub ntawv xa cov kab ke tau raug hloov kho
Kawg hloov kho: 2023-12-16 10:12
Lub xov tooj ntawm tes tau ploj mus ntev los ua ib qho khoom kim heev; tam sim no ob tus menyuam hauv tsev kawm ntawv thiab cov laus siv nws. Cov lus nug qhib yog cov phiaj xwm them nyiaj se, lossis theej, yuav ua li cas xaiv nws kom raug. Niaj hnub no cov neeg sib txuas xov tooj muaj ntau cov phiaj xwm nqi se
Kawg hloov kho: 2023-12-16 10:12
Nws yog ib qho tseem ceeb ntawm cov kws tshaj lij plaub hau uas txhua cov cuab yeej ua haujlwm ib txwm nyob rau qhov zoo. Qhov no yog qhov tseeb tshwj xeeb ntawm xws li cov khoom siv capricious zoo li cov plaub hau clipper. Nws yog qhov nyuaj heev los kho nws rab riam tom tsev yam tsis muaj cov cuab yeej tsim nyog, yog li khaws cia rau txhua yam koj xav tau
Kawg hloov kho: 2023-12-16 10:12
Siv cov khoom sib txig ncaj ncaj tsis txhais kom ceev, yog li tus kiv cua yog me me. Tsis tas li ntawd, tsis zoo li rab chais siv uas tsis zoo, muaj rab chais phom uas yuav tsum tau saib xyuas tshwj xeeb thiab hliav tsis tu ncua. Ib lub txig tsis muaj lub ntsej muag tuaj yeem nyob ntev rau ntau lub hlis
Kawg hloov kho: 2023-12-16 10:12
Qhov xav tau nrawm nrhiav qhov chaw uas ib tus neeg tuaj yeem tshwm sim rau ntau yam: nqa cov ntaub ntawv tseem ceeb; kawm ntxiv txog tus neeg tshiab paub thiaj li txiav txim siab seb puas tso siab rau nws. Muaj ob peb txoj hauv kev los ua qhov no
Kawg hloov kho: 2023-12-16 10:12
Thaum lub sij hawm kho cov khoom siv hluav taws xob lossis thaum nws tus kheej sib sau, cov lus nug ntawm cov cim kom raug ntawm cov khoom siv hluav taws xob feem ntau tshwm sim. Hauv kev tshwj xeeb, qee zaum nws hloov mus rau qhov nyuaj nyuaj los txiav txim siab lub hom ntawm transistor
Kawg hloov kho: 2023-12-16 10:12
Yas yog ib qho ntawm cov khib nyiab uas tsis xeb tawm ntawm kev cuam tshuam ntawm ib puag ncig. Cov khoom siv yas uas tsis siv lawm yuav tsum muab pov tseg. Ob peb lub xyoos dhau los, cov hau kev ntawm kev ua cov khoom yas pib tau tsim. Rov qab siv cov khoom nyoos pab rau cov khoom pov tseg ntawm cov yas ntau
Kawg hloov kho: 2023-12-16 10:12
Lub charger tuaj yeem them lub roj teeb nrog rau yuav luag tas li tam sim no lossis hloov pauv hloov nws raws li qhov muaj peev xwm nce ntxiv. Siv lub txuas hluav taws xob hauv kev ntsuas nrog lub roj teeb, txawm tias muaj qhov qes sab hauv qis heev, tuaj yeem cuam tshuam rau hom them
Kawg hloov kho: 2023-12-16 10:12
Tus neeg soj xyuas yog tus neeg koom nrog cov haujlwm txawj ntse, sau cov ntaub ntawv hais txog ib tog kom haum ob tog. Hauv Lavxias, lo lus "neeg soj xyuas" zoo ib yam nyob hauv lub ntsiab lus ntawm lo lus "tus txhav", tab sis nqa lub ntsiab lus ntau tshaj qhov tsis zoo
Kawg hloov kho: 2023-12-16 10:12
Yuav ua li cas suab paj nruag lover tsis npau suav ntawm zoo nkauj mloog khoom? Txhua hom kev hais lus tau cog lus tias lub ntuj zoo siab thiab lub suab muaj zog, tab sis yuav kom xaiv ntawm lawv, koj yuav tsum xub txiav txim siab seb koj xav tau lub tshuab nqus dej lossis lub zog qias neeg
Kawg hloov kho: 2023-12-16 10:12
Cov thawv ntim cua sov thiab lub hnab ua kom sov, feem ntau hu ua lub hnab txias, tuaj yeem siv tau yooj yim thaum mus ncig, sab nraum zoov, thiab taug kev ntev ntev thaum lub hli sov so. Lawv kuj tseem yuav pab khaws cov zaub mov khov kom khov los ntawm defrosting thaum nws los tom tsev los ntawm lub khw
Kawg hloov kho: 2023-12-16 10:12
Lub teeb roj fluorescent lossis lub teeb roj fluorescent yog qhov khoom tseem ceeb rau kev teeb pom kev zoo thaum nruab hnub. Lawv lub ntsiab kom zoo dua yog lawv cov kev siv hluav taws xob tsawg ntawm cov qib siab ntawm lub teeb taws. Cov Lus Qhia Kauj ruam 1 Lub teeb roj fluorescent yog roj tawm-tawm los
Kawg hloov kho: 2023-12-16 10:12
Cov neeg tsim qauv tsim lub chaw tsim hluav taws xob tau mob siab txhawm rau txo qhov tseem ceeb lossis tshem tawm txhua qhov tsis txaus siab uas mus nrog kev ua haujlwm ntawm cov cuab yeej ntawd. Tab sis tseem, qee qhov tsis zoo yuav tsis raug tshem tawm tag nrho
Kawg hloov kho: 2023-12-16 10:12
Tus inductor tuaj yeem raug piav qhia tias yog tus inductor. Nws yog qhov tsim nyog rau kev tswj hwm lub amperage thiab kom txwv cov hluav taws xob. Hauv kev hais txog qhov no, ntau thaj chaw ntawm kev siv cov cuab yeej no tuaj yeem paub meej:
Kawg hloov kho: 2023-12-16 10:12
Lub tshuab hluav taws xob cais tawm sib cais yog qhov nqaim-tshaj tawm cov cuab yeej tshaj lij uas siv los faib cov khoom xa tuaj ntawm hluav taws xob hluav taws xob. Nws tseem ua tiav cov txheej txheem ntawm kev hloov hluav taws xob thiab muab qib siab tiv thaiv hluav taws xob tiv thaiv kev raug mob
Kawg hloov kho: 2023-12-16 10:12
Qhov chaw nplua nuj ntawm qhov chaw dawb yog qhov yam ntxwv tseem ceeb ntawm chav tsev niaj hnub. Hauv qhov no, rooj tog hloov pauv tau tau ntau dua thiab ntau dua, vim tias nws yog lawv uas tso cai rau kev saib xyuas qhov tsawg tshaj plaws niaj hnub no nyob sab hauv, thiab tib lub sijhawm khaws nws txoj haujlwm
Kawg hloov kho: 2023-12-16 10:12
Tus neeg ntseeg tus kheej muaj kev nyab xeeb rau ntau lub sijhawm. Tab sis muaj qee lub sijhawm thaum xws li kev ntseeg siab ntawm tus kheej tsis cuam tshuam nrog txhawb nqa txoj hauv kev ntawm kev tiv thaiv tus kheej. Ib tus ntawd yog rab phom stun
Kawg hloov kho: 2023-12-16 10:12
Plasma cov lus qhia tau tshwm sim thawj zaug thaum xyoo 1960. Lawv muaj ntau qhov zoo - qhov pom lub kaum ntse ntse dua, cov duab tuab dua, lub vijtsam loj dua thiab pom thaj chaw tiaj. Cov Lus Qhia Kauj ruam 1 Txhawm rau xav txog yuav ua li cas ntshav TV ua haujlwm, tsuas yog saib lub teeb roj fluorescent uas ua haujlwm ntawm tib lub hauv paus ntsiab lus
Kawg hloov kho: 2023-12-16 10:12
Ua tsaug rau kev txhim kho txuas ntxiv ntawm cov thev naus laus zis niaj hnub, ntau dua thiab ntau dua kev ua qauv ntawm cov khoom siv hauv tsev tshwm sim rau ntawm cov khw muag khoom txee. Tib neeg siv zog hloov kho lawv lub TV, tub yees, tshuab ntxhua khaub ncaws, tab sis tib lub sijhawm nws tsim nyog los rhuav tshem cov khoom qub
Kawg hloov kho: 2023-12-16 10:12
Ib qho pheej yig siv cov laser pointer muag ntawm lub xov xwm yog ntseeg tau ntawm qhov tsis tsim. Txawm li cas los xij, siv cov tswv yim tshwj xeeb, nws tuaj yeem raug cais tawm yam tsis muaj kev puas tsuaj. Cov Lus Qhia Kauj ruam 1 Hloov khaub ncaws thiab khau uas tsis muaj peev xwm suav cov nqi hluav taws xob
Kawg hloov kho: 2023-12-16 10:12
Ib tug neeg yeej tsis nres ntawm qhov uas tau ua tiav. Nws lub hom phiaj pauv cov xwm txheej, muaj nyob hauv ntiaj chaw, tsim cov txheej txheem uas nyob rau ntau txoj kev dhau nws lub peev xwm. Thiab tam sim no tib neeg tau yauv mus tsim nws tus kheej zoo nkaus li, ua rau nws muaj peev xwm xav
Kawg hloov kho: 2023-12-16 10:12
Cov kev pabcuam luam tawm kev lag luam niaj hnub no yog qhov txawv ntawm ntau yam muab. Txij li muaj ntau lub tsev luam ntawv, xaiv ib qho tsis yooj yim. Cov ntaub ntawv lag luam kom ntxaws thiab qhia meej lub hom phiaj yuav pab koj ua qhov yog
Kawg hloov kho: 2023-12-16 10:12
Muaj ob peb txoj hauv kev tseem ceeb los hu rau Habitat cov neeg sau ntawv. Hauv qee leej, ib tus neeg tuaj yeem xa email lossis ntawv ib tsab ntawv, sau daim ntawv tawm tswv yim, lossis tsuas yog hu xov tooj. Qhov kev pab cuam Habitat koom nrog cuam tshuam nrog cov neeg saib, lees txais cov kev tsis txaus siab thiab thov rov hais dua los ntawm lawv, tshuaj xyuas cov khoom ntawm cov tuam ntxhab tshwj xeeb thiab cov muag khoom kom lawv ua raws li cov qauv thiab cov cai
Kawg hloov kho: 2023-12-16 10:12
Ib qho haujlwm twg yuav tsum zoo siab. Tab sis txawm tias txoj haujlwm tseem ceeb tshaj plaws thiab nthuav dav tsis tau txais kev txaus siab yog tias koj yuav tsum ua nws hauv qhov chaw tsis xis nyob. Yog li, koj yuav tsum ua kom muaj kev sib tw thiab muaj kev hlub npaj cov chaw rau kev ua haujlwm:
Kawg hloov kho: 2023-12-16 10:12
Kev kho kom raug, kev ua haujlwm tsis meej thiab muaj peev xwm ua haujlwm ntawm cov chaw ua haujlwm ntawm cov neeg ua haujlwm hauv chaw ua haujlwm yog tus yuam sij rau lawv kev ua haujlwm zoo. Nws tsis pub leej twg paub tias ntau yam yuav cuam tshuam rau kev ua tau zoo - thaj chaw yooj yim ntawm chaw ua haujlwm, rooj tog zaum yooj yim, teeb pom kev zoo, xim tsim
Kawg hloov kho: 2023-12-16 10:12
Muaj ob peb lub laj thawj rau qhov xav tau khaws ntawv. Ua ntej, qhov xwm txheej ntawm lub ntiaj teb niaj hnub ua tsis zoo, thiab ib qho laj thawj yog raug txiav ntoo ntau heev kom cov txheej txheem papermaking tsis nres. Thib ob, pob nyiaj tseem ceeb tau siv rau qhov kev yuav khoom ntawm cov khoom siv no
Kawg hloov kho: 2023-12-16 10:12
Nrog qee hom kev luam ntawv, nws yog ib qho tsim nyog tu lub sijhawm ntxuav tes. Txhawm rau ua qhov no, koj yuav tsum ua zoo tshem tawm lub ntim dej ntim khoom ntim, thiab hauv qee tus qauv ntawm lub tshuab luam ntawv kuj tseem ntxiv qhov teeb meem ntim tshuaj khib nyiab