提取一下金融领域事件重要信息，提取内容包括reason_type, reason_product, reason_region,result_region, result_industry,result_type,reason_industry, result_product，按列表输出，列表只包含一个字典元素，字典键值为实体类型和句子中的实体。
system
报告期因宏观经济的不确定性，及受新冠病毒疫情、中美贸易摩擦等影响，汽车零部件需求呈现疲软态势，粉末冶金制成型产品销量出现下滑
user
[{"reason_type": "其他贸易摩擦", "reason_product": "", "reason_region": "", "result_region": "", "result_industry": "", "result_type": "销量（消费）减少", "reason_industry": "", "result_product": "粉末冶金制成型产品"}, {"reason_type": "其他贸易摩擦", "reason_product": "", "reason_region": "", "result_region": "", "result_industry": "", "result_type": "需求减少", "reason_industry": "", "result_product": "汽车零部件"}]
assistant