A city of southern siberian u.s.s.r.on the angara river north-northwest of irkutsk . It has hydroelectric power installations . Population , 240000 .

勃拉茨克苏联西伯利亚部分南部一城市，位于伊尔库次克西北偏北安加拉河上。建有水电站。人口240000。

The siberian and kazakhstanian plates took part in the three developmental stages of the early paleozoic iapetusa , late paleozoic angara and eurasia since the late early permian .

西伯利亚和哈萨克斯坦板块经历了早古生代亚伯特斯古陆、晚古生代安加拉古陆和早二叠世晚期以来欧亚大陆3个发展阶段。