On the basis of freeboard phenomenon in curve way and the improvement of curve flow velocity, this paper gets a useful calculating method of bed roughness.
本文基于弯道超高现象以及弯道流速计算的改进，得出了一种较为实用的泥石流沟床糙率计算方法。
2
The impedance audiometry test showed the hearing improvement had no definite relationship with compliance value and tympanometry curve.
从声阻抗测试看声顺值的大小和鼓室压曲线类型与听力改善关系不甚明显。
3
This paper analyses the defects existing in the method of maximum grade compensation in curve location provided in (GB50090-99) in force, and puts forward some Suggestions for improvement.