shock region

The research-results show: 1. The Datong earthquake occurred in the low Q-value region, the Q-value increased before the main shock and returned to the normal level after the main shock;

研究结果表明：（1）大同地震发生在低Q值区，震前Q值升高，震后恢复正常。

Calculations of Shock Waves and Controlling Water Depth in Region of Contraction on Slit-type Flip Bucket

窄缝挑坎收缩段急流冲击波及其控制水深的计算

However, with the shock of the globalization, the culture in Chinese southwestern region has been between the beetle and the block.

但随着全球化的冲击，西南少数民族文化已岌岌可危。

Within less than 1 millisecond the steep-fronted shock wave has traveled some distance ahead of the isothermal region.

在不到1毫秒的时间内，陡直的冲击波波阵面已比等温区领先一段距离了。

Propagation of shock wave in the magnetic helmet current sheet region: ( I) interaction between shock wave and a magnetic helmet

激波在磁盔－电流片位场中的传播：（Ⅰ）激波与磁盔间的相互作用