| 3. | Midway through the study , after the indonesian government had signed a cease - fire with the rebels , it began a phased withdrawal of 30 , 000 troops , leading to the number of checkpoints falling by half 研究中期,印尼政府已与叛军签署了一项协议,开始分阶段撤出3万部队,导致检查站地数量下降了一半。 |