As example of subgradematerial inspection, this paper described the "Task-driven" Pedagogic Method in teaching and the problem in use.
本文以路基原材料检测学习情境为例，系统地阐述了“任务驱动”教学模式的教学设计和使用中应注意的问题。
2
The influence of geometric size, material properties of the slabs, inhomogeneous subgrade, sleeper beam and bituminous overlay on the bending stresses and deflection is investigated.
分析中包括了搭板的几何尺寸、材料因素、地基非均匀、枕梁及沥青加铺层对搭板弯拉应力及变形的影响。
3
People pay more attention to the influence of the nature of soil on subgrade as it is the important material to construct subgrade.