有机表层是指矿质土壤中经常被水饱和，具有高含量有机碳的泥炭质有机土 壤物质表层;或被水分饱和的时间很短，具有极 高含量有机碳的祜枝落叶质有机土壤物质表层。有机表层按原有植物物质的分解程度和种类可 细分为纤维的、半腐的、高腐的和枯枝落叶的（简 称落叶的）四类。
液体壁纸主要取材于自然贝壳类生物壳体表层，粘合剂也选用无毒、无害的有机胶体，真正的自然环保产品。
Liquid wallpaper mainly drawn from the natural surface of the shell shellfish biology, adhesives also use non-toxic, harmless organic colloid, the real natural environmentally friendly products.
土壤有机碳是地球表层系统中最大且最具有活动性的生态系统碳库之一。
Soil organic carbon (SOC) has been shown as one of the largest and most mobile carbon pools of the earth surface ecosystem.
土壤有机碳是地球表层系统中最大且最具有活动性的生态系统碳库之一。
Soil organic carbon (SOC) has been showed as one of the largest and most mobile carbon pools of the earth surface ecosystem.
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