Isoline map of comprehensive index of seismic risk for the studied area.
图2研究区内综合危险指标等值线图fig。
The method is put forward based on isoline map discerning GPS' height gross error, and tested by a example.
本文提出基于等值线来识别GPS高程粗差的方法，并通过实例进行了验证。
The comparison of isoline map measured by GPS with that by leveling shows that in entire trend they, except South China block, agree with each other basically.
对基于GPS观测所得的等值线图与基于水准观测所得的等值线图进行了比较，比较结果显示，除了华南块体外，二者在整体趋势上比较一致。
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