... observational settlement 地基沉降 ; 软土地基沉降 ; 沉降观测 ; 实测沉降 observational results 观测结果 Observational Errors 观测误差 ; 观测误差 ...
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observational random errors 观测随机误差
Scientists have carefully checked these observations to exclude observational errors and other influences - such as the urban heat island effect and localised warming due to land surface changes.
科学家们谨慎地监测那些观测，以排除观测误差和其它影响，诸如城市的热岛效应和由于地表变化导致的局部升温。
The second part shows GPS observational equation, the corresponding error sources, the characteristics of errors and the essential methods for error processing.
第二是有关GPS观测方程和相关误差产生的原因，分析了误差的特点和处理的基本方法。
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