这是我种的新品种。
这些杨树苗普遍比较矮小，枝干很细。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 9.65, 'lowest pitch': 9.07, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '些', 'pinyin': 'xie1', 'highest pitch': 9.82, 'lowest pitch': 8.81, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '杨', 'pinyin': 'iang2', 'highest pitch': 8.81, 'lowest pitch': 6.94, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '树', 'pinyin': 'shu4', 'highest pitch': 9.81, 'lowest pitch': 8.49, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '苗', 'pinyin': 'miao2', 'highest pitch': 9.5, 'lowest pitch': 6.72, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '普', 'pinyin': 'pu3', 'highest pitch': 8.28, 'lowest pitch': 6.78, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '遍', 'pinyin': 'bian4', 'highest pitch': 10.57, 'lowest pitch': 9.08, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '比', 'pinyin': 'bi3', 'highest pitch': 9.08, 'lowest pitch': 6.15, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '较', 'pinyin': 'jiao4', 'highest pitch': 8.06, 'lowest pitch': 6.15, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '矮', 'pinyin': 'ai2', 'highest pitch': 7.58, 'lowest pitch': 5.88, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 7.58, 'lowest pitch': 4.95, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '枝', 'pinyin': 'zhiii1', 'highest pitch': 9.99, 'lowest pitch': 9.83, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '干', 'pinyin': 'gan4', 'highest pitch': 10.53, 'lowest pitch': 8.52, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '很', 'pinyin': 'hen3', 'highest pitch': 8.52, 'lowest pitch': 4.37, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '细', 'pinyin': 'xi4', 'highest pitch': 9.88, 'lowest pitch': 4.72, 'duration': 0.3, 'prosody hierarchy': '#4'}]