我们的合练参试人员到齐了吗？
合练参试人员早已就位，并开始调试仪器。[{'character': '合', 'pinyin': 'he2', 'highest pitch': 8.8, 'lowest pitch': 7.49, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '练', 'pinyin': 'lian4', 'highest pitch': 9.97, 'lowest pitch': 8.8, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '参', 'pinyin': 'can1', 'highest pitch': 11.17, 'lowest pitch': 9.02, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '试', 'pinyin': 'shiii4', 'highest pitch': 11.03, 'lowest pitch': 7.88, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 7.88, 'lowest pitch': 6.4, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 7.95, 'lowest pitch': 6.56, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '早', 'pinyin': 'zao2', 'highest pitch': 9.63, 'lowest pitch': 6.29, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 10.49, 'lowest pitch': 6.32, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 7.89, 'lowest pitch': 6.32, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '位', 'pinyin': 'uei4', 'highest pitch': 12.98, 'lowest pitch': 6.21, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.16}, {'character': '并', 'pinyin': 'bing4', 'highest pitch': 8.02, 'lowest pitch': 5.81, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 7.87, 'lowest pitch': 7.39, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '始', 'pinyin': 'shiii3', 'highest pitch': 6.56, 'lowest pitch': 4.63, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '调', 'pinyin': 'tiao2', 'highest pitch': 8.34, 'lowest pitch': 4.63, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '试', 'pinyin': 'shiii4', 'highest pitch': 11.03, 'lowest pitch': 7.53, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '仪', 'pinyin': 'i2', 'highest pitch': 7.53, 'lowest pitch': 5.55, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '器', 'pinyin': 'qi4', 'highest pitch': 9.9, 'lowest pitch': 6.85, 'duration': 0.3, 'prosody hierarchy': '#4'}]