echelon
echelon circuit echelon lens echelon prism echelon strapping echidna echini echinocactus echinocarp echinochrome echinoderm echinodermal echinodermatous echinoid echinulate echinus echo echo attenuation echo cancellation echo canceller echo canceller burst mode (ECBM) echo canceller far-end echo canceller near-end echo chamber echo delay line echo distortion echo Doppler indicator echo effect echo image echo-image |
echelon /'eʃəlɔn/
danh từ
ngoại động từ
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