③[db/倍率換算表]

③[db/倍率換算表]

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日期:2025-12-14
1, <db/倍率換算表>. 2, ☆[db]=20×log10x[倍], ☆db計算 :20db+5db= 25db. 3, ☆[倍]=10^x, ☆倍率計算:10.00×1.78=17.8倍. 4, db, 倍率, 10x, db, 倍率 ......看更多