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灰化淀积层
释义
灰化淀积层
Encyclopedia
农学
灰化淀积层
释
spodic horizon
灰化淀积层
具有灰化淀积物质(有机质和铝或有机质和铁、铝)淀积的土层。由螯合淋溶作用形成的一种淀积层。是在高山冷湿的针叶林木下,真菌分解凋落物产生的可溶性腐殖质与矿物表面风化出的铝和铁发生强烈的络合作用,可溶性络合物随降水下渗并积聚在B层的结果。
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aircraft component
aircraft component assembly
aircraft component force test in wind tunnel
aircraft components assembly
aircraft comprehensive ground test bed calibration technique
aircraft concept design tests
aircraft controlability
aircraft control motion
aircraft control surface
aircraft damp heat test
aircraft delay analysis
aircraft digital prototype aircraft
aircraft door control
aircraft dorsal fin
aircraft drag parachute
aircraft dynamic derivative test in wind tunnel
aircraft dynamics response flight tests
aircraft dynamic strength test of structural components
aircraft electric actuation system
aircraft electrical equipment
aircraft electrical power system
aircraft electrical system
aircraft electric propulsionunit
aircraft electromagnetic compatibility/electromagentic environmental effects test
aircraft electromagnetic compatibility test
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