comparison ad比较广告,(新旧产品)对比广告comparisonn.比较；比喻comparison of with adjacent chart邻图拼搂比对comparison of English and Chinese英汉比较Comparison experiment of varieties品比试验comparison of temporal and spatial时空比较comparison between China and Japan中日比较comparison in provinces and cities省市比较Comparison of Typical Ash Analysis灰分分析的对比comparison for calculation methods计算方法比较comparison with one's predecessors人工林近自然化comparison between China and India中印比较