我们需要进一步调查。
即便挖到了什么，也不能肯定与七三幺部队关联。[{'character': '即', 'pinyin': 'ji2', 'highest pitch': 8.58, 'lowest pitch': 7.77, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '便', 'pinyin': 'bian4', 'highest pitch': 9.69, 'lowest pitch': 8.96, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '挖', 'pinyin': 'ua1', 'highest pitch': 10.78, 'lowest pitch': 9.12, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 11.34, 'lowest pitch': 9.56, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 9.56, 'lowest pitch': 7.22, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '什', 'pinyin': 'shen2', 'highest pitch': 7.22, 'lowest pitch': 5.62, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '么', 'pinyin': 'me5', 'highest pitch': 7.16, 'lowest pitch': 6.23, 'duration': 0.17, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.25}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 7.07, 'lowest pitch': 6.11, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 9.9, 'lowest pitch': 7.3, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 8.11, 'lowest pitch': 6.58, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '肯', 'pinyin': 'ken3', 'highest pitch': 8.11, 'lowest pitch': 3.98, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '定', 'pinyin': 'ding4', 'highest pitch': 7.58, 'lowest pitch': 4.67, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '与', 'pinyin': 'v3', 'highest pitch': 6.07, 'lowest pitch': 4.39, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '七', 'pinyin': 'qi1', 'highest pitch': 8.61, 'lowest pitch': 8.51, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.44, 'lowest pitch': 9.37, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '幺', 'pinyin': 'iao1', 'highest pitch': 9.62, 'lowest pitch': 9.36, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '部', 'pinyin': 'bu4', 'highest pitch': 9.9, 'lowest pitch': 9.1, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '队', 'pinyin': 'duei4', 'highest pitch': 7.8, 'lowest pitch': 5.96, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 6.92, 'lowest pitch': 6.77, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '联', 'pinyin': 'lian2', 'highest pitch': 6.82, 'lowest pitch': 5.13, 'duration': 0.32, 'prosody hierarchy': '#4'}]