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Dab tsi yog qhov zaus siab?

Cov txheej txheem:

Dab tsi yog qhov zaus siab?
Dab tsi yog qhov zaus siab?

Video: Dab tsi yog qhov zaus siab?

Video: Dab tsi yog qhov zaus siab?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Lub Xya hli ntuj
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High zaus yog ITU tsim rau ntau yam ntawm xov tooj cua zaus electromagnetic nthwv dej ntawm 3 thiab 30 megahertz. Nws tseem hu ua decameter band lossis decameter nthwv dej raws li nws cov wavelengths ntawm ib mus rau kaum decameters.

txhais li cas kom muaj ntau zaus?

The siab dua qhov koj lub zog lossis kev co, qhov sib dua koj hnov hauv koj lub cev, kev xav, thiab lub hlwb. Koj muaj lub hwj chim ntawm koj tus kheej ntau dua, kev pom tseeb, kev thaj yeeb, kev hlub, thiab kev xyiv fab. Koj muaj me ntsis, yog tias muaj, tsis xis nyob lossis mob hauv koj lub cev, thiab koj txoj kev xav tau yooj yim daws tau.

Ib qho piv txwv ntawm lub siab zaus yog dab tsi?

Cov lus muaj zaus yog cov uas tshwm sim feem ntau hauv kev siv txhua hnub. Ib txhia yog cov nouns los yog verbs, xws li niam thiab cov poj niam los yog sau thiab hais lusNtau ntawm lawv kuj yog pronouns (xws li kuv, uas, thiab koj) los yog cov ntaub ntawv ntawm cov lus qhia ' to be' (xws li yog los yog yog) uas feem ntau siv hauv kev hais lus txhua hnub.

Dab tsi yog qhov siab zaus hauv Hz?

High-Frequency Sounds

Ib lub suab nrov yog ntsuas ntawm kwv yees 2000 Hz thiab siab dua.

Dab tsi yog qhov ntau zaus rau siab zaus?

High frequency (HF) yog ITU-tsim ntau yam ntawm xov tooj cua zaus electromagnetic waves (xov tooj cua tsis muaj zog) nruab nrab ntawm 3 thiab 30 MHz. Nws tseem hu ua decameter band lossis decameter yoj raws li lub wavelengths ntawm ib mus rau kaum decameters (kaum mus rau ib puas metres).

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