韩国最近采取了什么举措？
日本早些时候召回驻韩大使武藤正敏以示抗议。[{'character': '日', 'pinyin': 'riii4', 'highest pitch': 10.44, 'lowest pitch': 8.88, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '本', 'pinyin': 'ben2', 'highest pitch': 9.52, 'lowest pitch': 7.46, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '早', 'pinyin': 'zao3', 'highest pitch': 9.52, 'lowest pitch': 5.0, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '些', 'pinyin': 'xie1', 'highest pitch': 9.57, 'lowest pitch': 8.78, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 14.49, 'lowest pitch': 6.44, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '候', 'pinyin': 'hou4', 'highest pitch': 14.22, 'lowest pitch': 6.9, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '召', 'pinyin': 'zhao4', 'highest pitch': 8.62, 'lowest pitch': 6.57, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '回', 'pinyin': 'huei2', 'highest pitch': 7.11, 'lowest pitch': 5.48, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '驻', 'pinyin': 'zhu4', 'highest pitch': 10.2, 'lowest pitch': 8.76, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '韩', 'pinyin': 'han2', 'highest pitch': 7.36, 'lowest pitch': 6.56, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 9.77, 'lowest pitch': 7.81, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '使', 'pinyin': 'shiii3', 'highest pitch': 4.56, 'lowest pitch': 3.07, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '武', 'pinyin': 'u3', 'highest pitch': 6.97, 'lowest pitch': 6.3, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '藤', 'pinyin': 'teng2', 'highest pitch': 9.33, 'lowest pitch': 6.3, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '正', 'pinyin': 'zheng4', 'highest pitch': 10.84, 'lowest pitch': 7.77, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '敏', 'pinyin': 'min3', 'highest pitch': 7.77, 'lowest pitch': 3.61, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.13}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 6.62, 'lowest pitch': 5.04, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '示', 'pinyin': 'shiii4', 'highest pitch': 7.2, 'lowest pitch': 5.07, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '抗', 'pinyin': 'kang4', 'highest pitch': 8.55, 'lowest pitch': 7.08, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '议', 'pinyin': 'i4', 'highest pitch': 9.1, 'lowest pitch': 6.58, 'duration': 0.22, 'prosody hierarchy': '#4'}]