高度保真

HI-FI hi-fi hi fi set high-fidelity high fidelity fidelity fidelity criterion colour fidelity acoustic fidelity eye fidelity fidelity factor audio fidelity high-fidelity(Hi-Fi) high fidelity(hi-fi) hi-fi record player hi-fi receiver hi-fi set hi-fi stereophonic set high fidelity receiver high-fidelity amplifier