hemi-anechoic room的意思|示意
美 / /
英 / /
hemi-anechoic房间
hemi-anechoic room的网络常见释义
半消声室 ...层空间；半消声室；本底噪声；自由场范围 [gap=972]Key word: existing building; non-ground floor space; hemi-anechoic room; background noise; free field condition ...