Cov ntawv log tsheb tshiab txij lub Kaum Ib Hlis 2012

Txij thaum Lub Kaum Ib Hlis 1, cov cai tshiab rau kev kos cov log tsheb tsis muaj zog yuav pib siv rau hauv European Union. Cov neeg tsim khoom yuav tsum tau muab cov ntawv tshwj xeeb rau cov log tsheb.

Thaum cov kev cai tshiab yuav tsis siv mus txog rau thaum lub Kaum Ib Hlis 1, cov tuam txhab log tsheb yuav tsum tau sau lawv cov khoom txij lub Xya Hli 1, 2012. Cov kev cai no siv rau cov log tsheb rau txhua tus neeg caij tsheb, vans thiab tsheb thauj khoom.

Cov ntawv xov xwm yuav tsum tau muab tso rau hauv txhua yam khoom thiab yuav tsum muaj nyob rau hauv daim ntawv luam thiab hluav taws xob hauv cov ntaub ntawv tshaj tawm. Tsis tas li ntawd, cov ntaub ntawv hais txog cov log tsheb kuj tuaj yeem pom ntawm daim ntawv yuav khoom.

Daim ntawv lo yuav muaj dab tsi? Yog li, muaj peb yam tseem ceeb ntawm lub log tsheb no: dov tsis kam, tuav ntub dej thiab cov suab nrov sab nraud. Thaum thawj ob yuav muab rau ntawm qhov ntsuas ntawm A mus rau G, qhov kawg ntawm cov kev ntsuas no yuav raug qhia hauv decibels.