1. Objective To study the influence of BSSRO on mandible ramous and temporomandibular joint. 目的观察双侧下颌骨矢状劈开截骨术（BSSRO）后移下颌骨对下颌升支及颞下颌关节的影响。
2. With a location near to the mountain and waters, it features profound historical and cultural city rhythm, romantic developing history and become a ramous historical and cultural city. 其依山傍水购乐学的地理环境，悠久购乐学的历史文化底韵，传奇般购乐学的城市发展史，成为了中国著名购乐学的历史文化名城。
3. With a location near to the mountain and waters, it features profound historical and cultural city rhythm, romantic developing history and become a ramous historical and cultural city. 其依山傍水的地理环境，悠久的历史文化底韵，传奇般的城市发展史，成为了中国着名的历史文化名城。
