1.The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.
半自由状态下的短路流场是面流、环形紊流射流及汇流叠加而成。
2.The main function is culture, traveling, leisure.It will be a well-known tourist city of china based on world famous histic site of ancient battlefield, the confluence of three-river,etc.