... Soil Organic Carbon Content 土壤有机碳含量 Organic material Content 有机物含量 soil organic matter content 土壤有机质含量 ...
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Lignin is a kind of important macromolecular organic material and only inferior to cellulose inside plant, with a content of 15%-30%.
木质素是植物体中仅次于纤维素的一种重要大分子有机物质，在植物体中含量为15% - 30%。
In the use of organic insulation when the moisture content of the insulation layer shall not exceed 5%, the use of inorganic insulation material moisture content should not exceed 20%.
在采用有机保温时保温层的含水率不得超过5%，采用无机保温材料时产品含水率不得超过20%。
The heavy organic carbon content of every soil increased greatly with incubation time prolong and the increasing quantities of organic material.
随着培育年限和有机物料施用量的增加，各土壤重组有机碳含量增加。
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