Taw qhia rau ntsug cheb ntsug
Ntsig scanning, tseem hu ua" ntsug scanner zaus", tseem hu ua" teb zaus" lossis" tus nqi kho siab" ;. Yog hais txog pes tsawg lub sijhawm ntawm rab phom hluav taws xob tshuab luam tawm tag nrho cov vijtsam hauv ib pawg ntawm lub sijhawm (hauv vib nas this), feem ntau hais tawm hauv hertz (Hz). Noj cov 85Hz refresh tus nqi ua piv txwv, nws txhais tau tias cov ntsiab lus ntawm cov zaub yog rov ua tshiab 85 zaug hauv ib ob.