你能告诉我美国和北约使用反导系统的情况吗？
美方有义务向捷克军方通报北约和美国使用反导系统的情况。[{'character': '美', 'pinyin': 'mei3', 'highest pitch': 8.62, 'lowest pitch': 7.76, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.22, 'lowest pitch': 7.82, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.05, 'lowest pitch': 6.13, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '义', 'pinyin': 'i4', 'highest pitch': 9.82, 'lowest pitch': 7.94, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '务', 'pinyin': 'u4', 'highest pitch': 8.44, 'lowest pitch': 7.21, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '向', 'pinyin': 'xiang4', 'highest pitch': 8.67, 'lowest pitch': 6.56, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '捷', 'pinyin': 'jie2', 'highest pitch': 7.0, 'lowest pitch': 6.36, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '克', 'pinyin': 'ke4', 'highest pitch': 8.81, 'lowest pitch': 6.68, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '军', 'pinyin': 'jvn1', 'highest pitch': 8.18, 'lowest pitch': 7.54, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.22, 'lowest pitch': 7.86, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '通', 'pinyin': 'tong1', 'highest pitch': 8.76, 'lowest pitch': 7.6, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '报', 'pinyin': 'bao4', 'highest pitch': 8.16, 'lowest pitch': 6.22, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '北', 'pinyin': 'bei3', 'highest pitch': 12.94, 'lowest pitch': 0.16, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '约', 'pinyin': 've1', 'highest pitch': 9.66, 'lowest pitch': 3.37, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 9.58, 'lowest pitch': 8.32, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '美', 'pinyin': 'mei3', 'highest pitch': 8.62, 'lowest pitch': 4.08, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 8.03, 'lowest pitch': 5.88, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '使', 'pinyin': 'shiii3', 'highest pitch': 8.03, 'lowest pitch': 6.24, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 7.27, 'lowest pitch': 6.47, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '反', 'pinyin': 'fan2', 'highest pitch': 9.96, 'lowest pitch': 6.72, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '导', 'pinyin': 'dao3', 'highest pitch': 10.63, 'lowest pitch': 5.88, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '系', 'pinyin': 'xi4', 'highest pitch': 8.05, 'lowest pitch': 6.25, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '统', 'pinyin': 'tong3', 'highest pitch': 7.12, 'lowest pitch': 4.95, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 5.41, 'lowest pitch': 4.82, 'duration': 0.07, 'prosody hierarchy': '#1'}, {'character': '情', 'pinyin': 'qing2', 'highest pitch': 5.83, 'lowest pitch': 4.87, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '况', 'pinyin': 'kuang4', 'highest pitch': 7.84, 'lowest pitch': 5.65, 'duration': 0.25, 'prosody hierarchy': '#4'}]