我们应该加强技术创新，提升竞争力。
国内照明行业的领头羊雷士照明决定率先出击，进行自主研发。[{'character': '国', 'pinyin': 'guo2', 'highest pitch': 8.62, 'lowest pitch': 7.84, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '内', 'pinyin': 'nei4', 'highest pitch': 9.63, 'lowest pitch': 8.62, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '照', 'pinyin': 'zhao4', 'highest pitch': 10.78, 'lowest pitch': 9.38, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '明', 'pinyin': 'ming2', 'highest pitch': 9.38, 'lowest pitch': 7.15, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '行', 'pinyin': 'hang2', 'highest pitch': 8.45, 'lowest pitch': 6.22, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 8.16, 'lowest pitch': 7.14, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.72, 'lowest pitch': 6.2, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '领', 'pinyin': 'ling3', 'highest pitch': 6.54, 'lowest pitch': 5.0, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '头', 'pinyin': 'tou2', 'highest pitch': 8.01, 'lowest pitch': 5.0, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '羊', 'pinyin': 'iang2', 'highest pitch': 8.01, 'lowest pitch': 6.16, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '雷', 'pinyin': 'lei2', 'highest pitch': 8.23, 'lowest pitch': 6.64, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '士', 'pinyin': 'shiii4', 'highest pitch': 10.34, 'lowest pitch': 8.3, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '照', 'pinyin': 'zhao4', 'highest pitch': 10.78, 'lowest pitch': 7.04, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '明', 'pinyin': 'ming2', 'highest pitch': 9.38, 'lowest pitch': 5.95, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '决', 'pinyin': 'jve2', 'highest pitch': 7.37, 'lowest pitch': 6.73, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '定', 'pinyin': 'ding4', 'highest pitch': 8.53, 'lowest pitch': 7.48, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '率', 'pinyin': 'shuai4', 'highest pitch': 10.69, 'lowest pitch': 7.56, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '先', 'pinyin': 'xian1', 'highest pitch': 9.07, 'lowest pitch': 8.2, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.81, 'lowest pitch': 7.95, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '击', 'pinyin': 'ji1', 'highest pitch': 8.89, 'lowest pitch': 7.95, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 8.91, 'lowest pitch': 6.89, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 6.51, 'lowest pitch': 5.78, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 10.05, 'lowest pitch': 8.06, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 8.06, 'lowest pitch': 5.61, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '研', 'pinyin': 'ian2', 'highest pitch': 6.68, 'lowest pitch': 5.03, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 8.59, 'lowest pitch': 6.68, 'duration': 0.3, 'prosody hierarchy': '#4'}]