At present, four manufacturers, leica, zeiss, topcon, sokkia, introduced different models of digital levels to the surveying market with different measurement principle and code staff
目前
徠卡、蔡司、拓普康、索佳四家公司相繼推出了各自的數字水準儀產品，不同廠家的儀器採用了不同的電子讀數原理和標尺編碼結構。
Under the satisfied of the material civilization, the mental life is ascending to the social mainstre. evolved from the ape, before the language apears, that the man can use the figure and symbolic to express their thoughts and wishes. after that, the human race hope to write a record that the scene about their working and living use it
從對德國的徠卡和日本的尼康兩大攝影器材品牌為主，對兩者之間的不同點及相同點進行分析研究，闡述東西方的由於文化地域以及科技的不同而造成的產品外觀設計的差異。
