地下水是自然环境的组成部分，人类活动会导致地下水质的变化。
Groundwater is a part of nature environment. Mans activity can impact the quality of groundwater.
降雨和径流为三亚湾海域水质参数变化的控制因子。
The major control factor of water quality is precipitation and runoff.
磁场和温度的影响使水质发生变化。
The changes of the water qualities is the influence of the magnetic field and temperature.
磁场和温度的影响使水质发生变化。
The changes of the water qualities is the influence of the magnetic field and temperature.
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