Therefore, the bumper thickness can effect on damage distributing area of Aluminum dual-wall structure.
实验结果表明,前板厚度的选取对双层板结构的撞击损伤区域会产生影响。
By functional division, the project contains International Area, Processing Area, Block Distributing Area and Trading and Logistic Area.
依据功能划分,项目分为国际区、加工区、荒料集散区、商贸物流区。
The result shows: bioecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
研究表明:上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性;
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