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磁性载体档案
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磁性载体档案
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释
the magnetic carrier archives
磁性载体档案
国家机关、企事业单位在各项职能活动和社会重要公务活动中直接形成的具有保存价值的磁性载体文件。
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optical modulation analyzer
optical modulator
optical molasses
optical mouse
optical multichannel analysis
optical multi-channel analyzer
optical multimeter
optical multiplexing
optical multistability
optical navigation sensor
optical network parameter analyzer
optical network unit,ONU
optical non-destructive testing
optical nonlinearities of condensed matter
optical nonlinearities of organic material
optical nutation
optical object
optical observation
optical observation of satellite
optical observation of space objects
optical observatory
optical orthogonal code
optical orthogonal frequency division multiplexing transmission system
optical outburst
optical packet switching,OPS
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