航摄旋偏角对测图定向精度的影响随着处理技术手段的变换而改变，也随着比例尺由小变大而改变。
The effect of aerial photographic swing angle to the orientation precision of digital photogrammetry changes with the processing technical methods and the size of map scale.
大幅度提高了调查比例尺，使调查精度得以显著提高。
Enlarge survey scale obviously, so improve the survey precision evidently.
传统的库容计算方法是在已有的地形图上采用求积仪法进行，当精度要求较高时，需到现场实测更大比例尺的地形图。
In traditional reservoir capacity calculation, a planimeter is used to obtain a reservoir capacity from topographic maps and large scale topographic maps are needed if high accuracy is required.
比例尺和定位精度的问题。
The scale factor and positional accuracy of the system are discussed.
文摘：论述了城市1：50 0比例尺航空摄影测量的全过程，结合生产实际提出了做好这一工作的技术措施，对各阶段的作业精度进行了统计分析。
Abstract: This paper introduced the all process of urban 1:500 scale Aerophotogrammetry. Technical measures in production are put forward. Work precision in every phase is analysed on statistics.
近年来随着科学技术的进步，卫星测高重力异常的精度逐步提高达到了1：10 0万比例尺的精度要求。
The accuracy of satellite altimetry gravity anomaly has gradually reached the demand of 1:100 million with the developing of the science and technology in recent years.
近年来随着科学技术的进步，卫星测高重力异常的精度逐步提高达到了1：10 0万比例尺的精度要求。
The accuracy of satellite altimetry gravity anomaly has gradually reached the demand of 1:100 million with the developing of the science and technology in recent years.
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