Ntiaj Teb Kev Ntsuam Xyuas

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Qhov tseem ceeb tshaj plaws ntawm kev siv cov ntaub ntawv nyob rau hauv tej thaj chaw deb yog qhov kev sib piv ntawm cov duab ntawm ib cheeb tsam tshwj xeeb, coj lub sij hawm sib txawv, los txheeb xyuas cov kev hloov pauv uas tau tshwm sim nyob rau ntawd. Nrog rau qhov ntau ntawm satellite duab tam sim no siv…