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.
目的：应用超声心动图检测技术评价尿毒症性心瓣膜钙化的特点及其对心脏结构和功能的影响。
Objective: To evaluate the character of cardiac valvular calcification in uremia patients and its effect on cardiac structure and function.
航空摄影是快速获取和更新基础地理信息的重要技术手段之一，其技术设计直接影响航摄成果直至最终航测成图的质量。
Aerial photography is one of primary technology measures of rapidly obtaining and updating geographical information, and its technological project directly influences the ultimate production quality.
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