我们可以尝试使用无线电或卫星通信技术。
如果在信息很难传达到的山区呢？[{'character': '如', 'pinyin': 'ru2', 'highest pitch': 9.66, 'lowest pitch': 8.77, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '果', 'pinyin': 'guo3', 'highest pitch': 9.23, 'lowest pitch': 7.35, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.27, 'lowest pitch': 7.35, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 9.78, 'lowest pitch': 8.27, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '息', 'pinyin': 'xi1', 'highest pitch': 9.96, 'lowest pitch': 8.6, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '很', 'pinyin': 'hen3', 'highest pitch': 9.69, 'lowest pitch': 5.65, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '难', 'pinyin': 'nan2', 'highest pitch': 9.97, 'lowest pitch': 5.31, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '传', 'pinyin': 'chuan4', 'highest pitch': 9.97, 'lowest pitch': 7.54, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '达', 'pinyin': 'da2', 'highest pitch': 9.29, 'lowest pitch': 7.66, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 9.33, 'lowest pitch': 7.94, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.94, 'lowest pitch': 7.0, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '山', 'pinyin': 'shan1', 'highest pitch': 9.52, 'lowest pitch': 7.41, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 10.11, 'lowest pitch': 9.44, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '呢', 'pinyin': 'ne5', 'highest pitch': 10.06, 'lowest pitch': 6.89, 'duration': 0.28, 'prosody hierarchy': '#4'}]