The study of comparison of corneal diopter measured by corneal keratometer and corneal topographer 角膜曲率计与角膜地形图仪测量角膜屈光度的对比研究
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Analysis of measuring corneal refractive power by corneal topographer compared with by keratometer 角膜地形图仪和角膜曲率计测量角膜屈光力的差异分析
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The terrain affect spatial distribution of precipitation by way of macroeconomics topographer and parcel height above sea level . the results show that the relativity of precipitation and macroeconomics topographer is good in time scale 研究发现，在时间尺度上，降水与宏观地形因素有良好的相关性；在空间尺度上，降水与海拔高度有较好的相关性。
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