The most obvious limitation is weather conditions such as clouds, wind, and rain.
最明显的限制是天气条件，如云、风和雨。
Due to the limitation of the seismic station site, the observations of the resistivity are affected by underground water, precipitation and other weather factors.
由于受台址条件的限制，地电阻率观测值受到地下水位、降水等气象因素的影响。
Because of high-efficient, high-precision, no distance limitation, all-weather operation, highly automated and so on, the technology of GPS positioning is used in the security monitoring of the dam.
GPS定位技术的高效率、高精度、没有距离的限制、全天候作业模式及观测和数据处理的高度自动化等诸多优点，使GPS定位技术在大坝、坝区高边坡安全监测中得到应用。
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