这个项目的合作伙伴都很有实力。
从签约单上，可以看到一串串知名企业的身影。[{'character': '从', 'pinyin': 'cong2', 'highest pitch': 8.69, 'lowest pitch': 7.49, 'duration': 0.28, 'prosody hierarchy': '#1'}, {'character': '签', 'pinyin': 'qian1', 'highest pitch': 9.56, 'lowest pitch': 8.69, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '约', 'pinyin': 've1', 'highest pitch': 9.66, 'lowest pitch': 8.57, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '单', 'pinyin': 'dan1', 'highest pitch': 10.01, 'lowest pitch': 8.57, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.9, 'lowest pitch': 6.3, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.2}, {'character': '可', 'pinyin': 'ke2', 'highest pitch': 8.48, 'lowest pitch': 8.02, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 8.43, 'lowest pitch': 7.06, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '看', 'pinyin': 'kan4', 'highest pitch': 8.45, 'lowest pitch': 7.08, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 7.22, 'lowest pitch': 6.55, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.41, 'lowest pitch': 6.55, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '串', 'pinyin': 'chuan4', 'highest pitch': 9.99, 'lowest pitch': 8.28, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '串', 'pinyin': 'chuan4', 'highest pitch': 9.99, 'lowest pitch': 6.69, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '知', 'pinyin': 'zhiii1', 'highest pitch': 10.56, 'lowest pitch': 7.24, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '名', 'pinyin': 'ming2', 'highest pitch': 10.5, 'lowest pitch': 8.62, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '企', 'pinyin': 'qi3', 'highest pitch': 8.95, 'lowest pitch': 4.43, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 6.64, 'lowest pitch': 4.43, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.22, 'lowest pitch': 5.88, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '身', 'pinyin': 'shen1', 'highest pitch': 7.59, 'lowest pitch': 5.88, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '影', 'pinyin': 'ing3', 'highest pitch': 7.39, 'lowest pitch': 1.32, 'duration': 0.34, 'prosody hierarchy': '#4'}]