是的，雷达技术带来的好处是显而易见的。
不过，兴建雷达的高昂费用也引发争议。[{'character': '不', 'pinyin': 'bu2', 'highest pitch': 8.43, 'lowest pitch': 7.48, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '过', 'pinyin': 'guo4', 'highest pitch': 9.23, 'lowest pitch': 7.35, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '兴', 'pinyin': 'xing1', 'highest pitch': 11.21, 'lowest pitch': 10.36, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '建', 'pinyin': 'jian4', 'highest pitch': 11.35, 'lowest pitch': 9.22, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '雷', 'pinyin': 'lei2', 'highest pitch': 9.22, 'lowest pitch': 7.45, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '达', 'pinyin': 'da2', 'highest pitch': 6.75, 'lowest pitch': 6.3, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.69, 'lowest pitch': 7.77, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '高', 'pinyin': 'gao1', 'highest pitch': 9.11, 'lowest pitch': 8.66, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '昂', 'pinyin': 'ang2', 'highest pitch': 8.66, 'lowest pitch': 7.22, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 9.57, 'lowest pitch': 7.63, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 7.63, 'lowest pitch': 6.3, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '也', 'pinyin': 'ie2', 'highest pitch': 9.69, 'lowest pitch': 7.06, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '引', 'pinyin': 'in3', 'highest pitch': 9.31, 'lowest pitch': 3.86, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 7.46, 'lowest pitch': 6.71, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '争', 'pinyin': 'zheng1', 'highest pitch': 9.49, 'lowest pitch': 8.87, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '议', 'pinyin': 'i4', 'highest pitch': 9.49, 'lowest pitch': 4.64, 'duration': 0.25, 'prosody hierarchy': '#4'}]