optical instrument
optical instrument
[物理学英汉词典]
optical instrument光学仪器
是什么意思，optical instrument的解释，optical instrument的翻译
[仪器仪表英汉词典] optical instrument
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[英汉心理学大词典] optical instrument
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[电信英汉词典] optical instrument
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[船舶英汉词典] optical instrument
[进出口英汉词典] optical instrument