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Terms for subject Geology containing | all forms
ChineseEnglish
北美年地质调査项目Decade of North American Geology Project
亿年giga annum
美国、法国亿年billion years
亿年aeon
字形钻头four wing rotary bit
年海洋研究计划Ten Year Oceanographic Research Program
地学系统进分类法geosystems decimal classification
axial cross