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寒武系
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寒武系
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寒武系
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Cambrian System
寒武系
全球标准年代地层的系级单位,显生宇和古生界的第一个系,是距今5.41亿~4.85亿年前地史时期地球上形成的全部地层,地层位置在埃迪卡拉系之上,奥陶系之下。
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computer aided garment instruction
computer aided geometric design
computer-aided geometric design
computer-aided geometric design, CAGD
computer aided human experiment
computer-aided human experiment
computer-aided industrial design
computer aided information analysis
computer-aided instruction
computer-aided instruction, CAI
computer aided logistic support for aircraft materiel
computer aided manufacturing
computer-aided manufacturing
computer-aided manufacturing, CAM
computer-aided mechanical design
computer-aided pharmaceutical analysis
computer-aided piping design
computer-aided process design and computer-aided engineering in chemical industry
computer aided process planning
computer-aided process planning
computer-aided process planning, CAPP
computer-aided process plant design
computer aided production management
Computer Aided Reporting
computer aided roll pass design
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