Karst vegetation flora is regional, but has evident horizontalcharacteristics.
岩溶植被植物区系组成为地域性但带有明显的地带性烙印;
2
This form has the characteristics of large connection contact area, small clearance, small unit area pressure, strong anti - horizontal torque ability and strong contact stability.
这种形式具有连接接触面积大,间隙小,单位面积压力小,抗水平扭矩能力强,接点稳定性强等特点。
3
Numerical analyses and experiments were carried out to obtain the evaporating heat transfer characteristics of falling film on horizontal heated single tube and tube arrays.