“CCS”是“Common Comand Set”的缩写，意思是“公共命令集

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“CCS”是“Common Command Set”的缩写，意思是“统一指挥

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“CD”是“Change Directory”的缩写，意思是“更改目录”

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“CD-I”是“Compact Disc Interactive”的缩写，意思是“光

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“CD-E”是“Compact Disc Eraseable”的缩写，意思是“光盘

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“CD-R”是“Compact Disc Recordable”的缩写，意思是“光

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“CD-ROM”是“Compact Disk Read-Only Memory”的缩写，意

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“CD-RW”是“Compact Disk Re-Writable”的缩写，意思是“

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“BITNET”是“Because It is Time NETwork”的缩写，意思

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“BITNET”是“Because It is Time NETwork”的缩写，意思

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