词汇	商品总量
释义	商品总量 total volume of commodities
随便看	optically coupled device optically coupled integrated circuit optically-coupled isolation optically coupled isolation amplifier optically-coupled isolation amplifier optically coupled isolator optically coupled isolators optically coupled laser optically coupled pulse amplifier optically coupled system optically dense medium optically denser medium optically derived transform optically-derived transform optically detected cyclotron resonance optically detected ESR optically detected magnetic resonance optically driven Optically driven rotation optically effective atmosphere optically empty optically-excitated laser optically excited optically excited laser optically-excited laser