我国乳业发展的速度很快。
尽管奶源有限，我国乳业现状却是企业数量较多且参差不齐。[{'character': '尽', 'pinyin': 'jin2', 'highest pitch': 8.46, 'lowest pitch': 8.04, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '管', 'pinyin': 'guan2', 'highest pitch': 8.89, 'lowest pitch': 7.48, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '奶', 'pinyin': 'nai3', 'highest pitch': 8.96, 'lowest pitch': 5.82, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '源', 'pinyin': 'van2', 'highest pitch': 10.17, 'lowest pitch': 6.02, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 10.17, 'lowest pitch': 4.91, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '限', 'pinyin': 'xian4', 'highest pitch': 10.43, 'lowest pitch': 5.42, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.32}, {'character': '我', 'pinyin': 'uo3', 'highest pitch': 8.63, 'lowest pitch': 6.74, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 11.0, 'lowest pitch': 6.74, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '乳', 'pinyin': 'ru3', 'highest pitch': 10.32, 'lowest pitch': 5.71, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 9.53, 'lowest pitch': 6.32, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '现', 'pinyin': 'xian4', 'highest pitch': 10.43, 'lowest pitch': 9.03, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '状', 'pinyin': 'zhuang4', 'highest pitch': 10.63, 'lowest pitch': 8.47, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '却', 'pinyin': 'qve4', 'highest pitch': 8.37, 'lowest pitch': 6.87, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 7.04, 'lowest pitch': 6.49, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '企', 'pinyin': 'qi3', 'highest pitch': 6.49, 'lowest pitch': 5.41, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 9.53, 'lowest pitch': 5.41, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '数', 'pinyin': 'shu4', 'highest pitch': 9.27, 'lowest pitch': 7.72, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '量', 'pinyin': 'liang4', 'highest pitch': 8.19, 'lowest pitch': 6.81, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '较', 'pinyin': 'jiao4', 'highest pitch': 9.23, 'lowest pitch': 6.88, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.77, 'lowest pitch': 8.84, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '且', 'pinyin': 'qie3', 'highest pitch': 7.39, 'lowest pitch': 4.25, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '参', 'pinyin': 'cen1', 'highest pitch': 7.78, 'lowest pitch': 4.25, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '差', 'pinyin': 'cii1', 'highest pitch': 9.17, 'lowest pitch': 7.78, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 9.1, 'lowest pitch': 6.94, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '齐', 'pinyin': 'qi2', 'highest pitch': 8.35, 'lowest pitch': 5.97, 'duration': 0.34, 'prosody hierarchy': '#4'}]