对于理解地球大气、陆地和海洋在真实过程中相互作用的机制及其原因，模型和观测两者都是不可或缺的。
Both are necessary in understanding how and why Earth's atmosphere, land, and oceans function together as they do.
物探测量是获得高精度地震资料的保证，而观测者、测量仪器及外界条件的影响是观测误差产生的主要原因。
The geophysical measurement ensures high accuracy seismic data, but the errors of observation mainly come from observer, measuring instrument and influences of external conditions.
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