Hangzhou is one of the most dynamic economy cities in China's southeastern coastal areas.
杭州是中国东南沿海经济最具活力的城市之一。
Radioactive material has been detected in the air above Shanghai and other southeastern coastal areas, monitoring authorities said yesterday.
监测部门昨日（3月28日）称，目前在上海以及周边一些东南沿海地区的空气中，检测出了放射性物质。
Causes: My southeast sea, the Northwest and Europe to the internal depth, make our water cycle from the southeastern coastal areas to inland Northwest has gradually weakened.
成因：我国东南临海，西北深入到亚欧大陆内部，使得我国的水分循环自东南沿海向西北内陆逐渐减弱。
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