... sheet erosion 片蚀 sheet ground 板状地层 sheet joint 席状节理 ...
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Ground sheet 帐篷垫
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As for the fixed assets (like the building and the ground), those will probably have a lower value than stated on the balance sheet.
FORBES: What You're Worth
This autonomous, solar-powered robot carries a ground-penetrating radar to study how snow accumulates, adding layer upon layer to the ice sheet over time.
ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)
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