The markets have tended to behave as if default risks were essentially similar across the currency zone-hence the talk of "convergence plays" on countries close to euro entry.
When the rocks are fractured, roadway convergence is mainly due to expansion deformation of the surrounding rock within the fractured zone in a residual-strength state.
围岩处于破裂状态时,巷道收敛主要是由处于残余强度状态的破裂区围岩的碎胀变形引起的。
3
Jingbian wave valley is located in Jingbian County, Southeast of Longzhou Xiang Yan Jia Zhai Zi, is located in the Loess Plateau and the Maowusu Desert convergencezone.