Hongshui river is the main stream of Xijiang river system of Pearl river basin. Its yearly runoff accounts for 39% of Pear river basin.
红水河是珠江流域的西江水系的干流，占珠江流域年径流量的39%。
The Huizhou Sag lies in Zhu I depression, which is in the east of the Pear River Mouth Basin and in Huizhou Sag some good Reservoir has been discovered.
惠州凹陷位于珠江口盆地东部的珠一坳陷，已发现多个良好油气藏，是盆地油气藏分布的主要凹陷之一。
The regional and complex air pollution characteristics have emerged in the Pear River Delta region, and already received widespread attentions from both scientists and policy-makers.
珠江三角洲地区大气污染已呈现出区域性复合型污染的特征，引起科学家和决策者的广泛关注。
The regional and complex air pollution characteristics have emerged in the Pear River Delta region, and already received widespread attentions from both scientists and policy-makers.
珠江三角洲地区大气污染已呈现出区域性复合型污染的特征，引起科学家和决策者的广泛关注。
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