单词	古代之遺物
释义	同ANTIQUE
随便看	optical achromatism optical active filter optical activity optical--activity optical activity-- optical rotation optical activity; optical rotation optical adaptive technique optical add-drop optical add-drop module optical add & drop multiplexer optical add-drop multiplexer architecture optical add-drop multiplexers optical add-drop multiplexing optical admittance detuning optical aim optical air mass optical alignment optical all-pass filtering optical altimeter optical ammeter optical amplification optical amplifier optical amplifier modules optical amplifier noise optical amplifier {=oa}