{ "originalText": "通用动力公司成功试验了其双信道AN\/PRC-155“移动用户目标系统”(MUOS)便携式无线电台?演示中,这种无线电台通过洛克希德·马丁公司研制的MUOS卫星,提供了语音和数据通信服务?同时演示的还有旨在确定该系统就绪状态的海军MUOS操作试验?PRC-155便携式无线电台已在陆军中使用,可以使士兵连接美军的通信中枢———作战人员战术信息网?", "entities": [ { "label_type": "试验要素", "overlap": 0, "start_pos": 13, "end_pos": 48 }, { "label_type": "试验要素", "overlap": 0, "start_pos": 74, "end_pos": 79 }, { "label_type": "试验要素", "overlap": 0, "start_pos": 113, "end_pos": 122 }, { "label_type": "性能指标", "overlap": 0, "start_pos": 84, "end_pos": 92 }, { "label_type": "性能指标", "overlap": 0, "start_pos": 108, "end_pos": 111 }, { "label_type": "任务场景", "overlap": 0, "start_pos": 140, "end_pos": 141 }, { "label_type": "任务场景", "overlap": 0, "start_pos": 149, "end_pos": 150 }, { "label_type": "任务场景", "overlap": 0, "start_pos": 153, "end_pos": 154 }, { "label_type": "任务场景", "overlap": 0, "start_pos": 156, "end_pos": 159 }, { "label_type": "任务场景", "overlap": 0, "start_pos": 163, "end_pos": 171 } ] }