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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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deep-draft pillar type platform
deep-dyeable polyester fiber
deep dyslexia
Deep Earth Exploration Project in China (SinoProbe)
deep earthquake
deep ecology
deepening borehole detection
deepening education
deepening speed of mining project
deep eutectic solvent
deep exploration methods
deepfade
Deep Feeling of Flowers and Willows
Deep fertilization
deep-field observation
deep fissure
deep focus
deep focus earthquake
deep-focus earthquake
deep focus shock
deep foundation
deep geological disposal
deep geological mapping
deep hole
deep hole bench blasting of open pit
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