| 1. | Absolute tangential velocity
绝对切向速度 |
| 2. | The absolute velocity was decomposed based on the law of velocity triangle , the absolute tangential velocity , the relative velocity and the relative tangential velocity were presented in this paper
在测得转轮内部的绝对速度矢量后，按速度三角形原理进行分解，得到了绝对速度切向分量、相对速度及相对速度切向分量。 |
| 3. | The relationship between the spatial scale dimensions of the initial mesoscale vortex and the variation of typhoon intensity is also discussed . the results show that the interaction can intensify the maximum tangential velocity of typhoon under the condition of certain parameter ranges
结果表明：在一定的合理的参数条件下，中尺度涡旋和台风涡旋的相互作用可以使台风切向风速最大值增加，增加值为4 . 0m / s ，这个结论比m ( |
| 4. | Compared with any vibrating systems involving normal impacts , an oblique - impact vibrating system features not only the non - smooth characteristic of impacts , but also complicated dynamics owing to the relative tangential velocity and corresponding friction between two colliding objects
斜碰撞振动系统不但具有正碰撞振动系统力学状态的非光滑特性，还由于相对切向速度和摩擦引起碰撞物体的切向变形，因而具有更大的研究难度。 |
| 5. | The most distinct intensification in maximum azimuthally mean tangential velocity occurs when the convective patch is positioned in rmw , the second in the interior region . this intensification exhibit distinct vibration with 6 ~ 7h period and the vibration in inner region diminishes with shorter period
Rmw附近扰动使最大平均切向风速增大最明显，其次是内核区，而且这种增强表现出显著的震荡特征，震荡周期约为6 7h ，内核区的震荡较弱，震荡周期略短。 |
| 6. | The disturbance located at inner region and near eyewall intensifying corresponds to the growth of amplitude of typhoon maximum tangential velocity with shorter period and the opposite is true . the weakening role of periphery disturbance intensity drop in typhoon maximum tangential wind reduces iv rossby obviously and the mean tangential wind display a strong vibrational characteristic for the periphery disturbance intensity growth
台风内核区和眼壁附近扰动的减弱(加强)使台风最大切向风速的增幅减小(增大) ，且强度增强，风速变化的震荡性加强，震荡的周期缩短；强度减弱，风速变化的震荡性减弱，震荡的周期加长。 |
| 7. | Relaxation factors are adopted . a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data . the simulation prove that the modified k - model can predict the core , annular and wall regions near entrance and axial velocity far from entrance , but it ca n ' t predict tangential velocity well in weak swirling area far from entrance
编程计算水平圆管内螺旋气流的流动参数并与实验数据对比，结果表明修正-湍流模型在近入口处基本上能预测出中心区、环形区和近壁区的流动特性，在远离入口弱旋流区域对轴向速度的预测符合实际情况，但是出现对周向速度修正过大的现象。 |
| 8. | Based on the transfer - matrix method , the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived , the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained
摘要基于传递矩阵算法，推导出了变截面杆扭转振动时等效四端网络参量的一般表达式，研究了带类余弦过渡段阶梯形变幅杆扭转振动频率方程与角速度放大倍数及外表面切向速度放大倍数等的关系。 |
