Xov xwm kev lag luam

  • Yuav ua li cas peb cov tsev neeg yuav daws tau qhov teeb meem ntawm hluav taws xob tsis txaus

    1. Kev thov hluav taws xob thoob ntiaj teb yog maj mam nce Hauv xyoo 2020, qhov kev thov rau cov roj ntuj yuav poob qis los ntawm 1.9%.Qhov no yog ib feem ntawm qhov kev hloov pauv ntawm kev siv lub zog thaum lub sijhawm muaj kev puas tsuaj loj tshaj plaws los ntawm tus kabmob tshiab.Tab sis tib lub sijhawm, qhov no kuj yog qhov tshwm sim ntawm lub caij ntuj no sov hauv n ...
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  • Sab nraum zoov lub zog cia roj teeb siv kev paub thiab kev yuav khoom qhia

    Sab nraum zoov lub zog cia roj teeb siv kev paub thiab kev yuav khoom qhia

    Rau txhua tus, dab tsi yog qhov zoo tshaj plaws los ua hauv lub caij no?Hauv kuv lub tswv yim, nqa lub zog txuag hluav taws xob rau kev tawm mus thiab barbecues.Txhua zaus koj tawm mus, koj yuav tsum xav txog ntau yam teeb meem, xws li them nyiaj, teeb pom kev barbecue, lossis teeb pom kev tsaus ntuj.Cov no yog tag nrho cov lus nug los xav txog ...
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  • Yuav ua li cas xaiv lub hnub ci them vaj huam sib luag

    Yuav ua li cas xaiv lub hnub ci them vaj huam sib luag

    Lub hnub ci cell yog ib qho khoom siv ncaj qha hloov lub teeb lub zog rau hauv hluav taws xob hluav taws xob los ntawm photoelectric effect lossis photochemical effect.Nyias-film solar cells uas ua haujlwm nrog cov nyhuv photoelectric yog lub ntsiab, thiab yuav ua li cas xaiv lub hnub ci teeb meem qee tus neeg ...
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  • 8 Yam uas yuav tsum tau xav txog thaum yuav cov cam khwb cia hnub ci

    Yog tias koj xav tsim koj lub zog hluav taws xob thaum tawm mus pw hav zoov lub caij ntuj sov no, ces nws yog qhov zoo tshaj plaws uas koj tau saib mus pw hav zoov solar panels.Qhov tseeb, nws yuav luag yog qhov tseeb, dab tsi lwm yam cuab yeej siv tau yooj yim tuaj yeem pab koj tsim lub zog huv?Tsis yog, qhov ntawd yog cov lus teb.Thiab yog tias koj ...
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  • Yuav Ua Li Cas Kom Muaj Kev Nyab Xeeb Kev Nyab Xeeb (The Survival Kit Guide)

    Kev puas tsuaj ntuj tshwm sim ntau dua li qhov koj xav.Txhua xyoo, muaj nyob ib ncig ntawm 6,800 thoob ntiaj teb.Xyoo 2020, muaj 22 qhov kev puas tsuaj ntuj tsim uas ua rau tsawg kawg yog $ 1 nphom hauv kev puas tsuaj txhua.Cov ntaub ntawv zoo li no qhia tias yog vim li cas nws tseem ceeb heev uas yuav tsum xav txog koj txoj kev npaj kom muaj sia nyob ntawm kev puas tsuaj ntuj ...
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  • Tsheb mus pw hav zoov Qhov tseem ceeb ntawm daim ntawv teev npe rau kev lom zem taug txuj kev nyuaj

    Ua kom tiav daim ntawv teev npe mus pw hav zoov Yog tias koj xav tau ntau tshaj plaws ntawm koj qhov kev mus pw hav zoov, ces muaj ntau hom iav uas koj yuav tsum tau nqa.Cov npe hauv qab no lub tsheb mus pw hav zoov packing npog tag nrho: Cov iav pw tsaug zog thiab chaw nyob Ua ntej ntawm peb lub tsheb camping iav daim ntawv teev yog pw iav ...
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