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灰色森林土
释义
灰色森林土
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农学
灰色森林土
释
Grey forest soil
灰色森林土
发育在温带森林草原植被下具有深厚腐殖质层和明显二氧化硅淀积层的半淋溶型土壤。在中国第一次土壤普查时,称灰黑土类;在中国土壤分类(1978)和中国第二次土壤普查分类制(1988)中,列为淋溶土纲灰色森林土土类;在《中国土壤系统分类》(第3版)中,归属湿润雏形土、湿润均腐土或冷凉淋溶土;在美国土壤系统分类中,大致相当于黏化冷凉软土[注]、潮湿软土[注];在联合国世界土壤图图例中,大致相当于灰黑土集合土类[注]。又称灰黑土。
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seism
seismic acquisition and construction design software
seismic acquisition quality monitoring software
seismic activity
seismic appraisal of structures
seismic archives management
seismic attributes analysis
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seismic conceptual design of buildings
seismic cross-section
seismic data acquisition
seismic data acquisition instruments
seismic data analog-to-digital(A/D)conversion
seismic data deconvolution
seismic data digital filtering
seismic data format transformation
seismic data frequency spectrum analysis
seismic data imaging
seismic data interpretation
seismic data interpretation software
seismic data inversion
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