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1989年12月14日～15日,中国灾害防御协会和上海市灾害防御协会联合召开了上海市近期灾害趋势预测及对策建议研讨会。这是继该年7、8月间二
From December 14 to December 15, 1989, China Disaster Defense Association and Shanghai Disaster Prevention Association held a joint seminar on the prediction of recent disaster trends and countermeasures in Shanghai. This is the second in July and August of that year