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operating ratio based upon net sales
释义
市场营销词汇手册
operating ratio based upon net sales
按销售净额计算的营业比率
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database system
database technique
database（DB）
data buffer
data buffer
data bus
data bus
data bus
data bus connector
data bus connector--data bus connector (DB connector)
data bus connector (DB connector)
data bus protocol
data byte buffer
data capacity
data capture
data capture
data capture
data capture
data card
data carrier
data carrier detected (DCD)
data carrier detector
data cassette
data center
data channel
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