“UCAS”是“Universal Conditional Access System”的缩

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“MMDS”是“Multichannel Multipoint Distribution

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“DCR”是“Design Change Request”的缩写，意思是“设计变

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“BAOC”是“Barring of All Outgoing Calls

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“PTP”是“Paper Tape Perforator”的缩写，意思是“纸带穿

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“PTP”是“Paper Tape Punch”的缩写，意思是“纸带冲床”

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“EUVS”是“Ergolight Usability Validation Suite”的缩

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“HD”是“Hard Disk”的缩写，意思是“硬盘”

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“HPAS”是“High Performance Amplified Speaker”的缩写

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“APON”是“Atm Passive Optical Network”的缩写，意思是

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