动力中心由于设计使用了多电压单独或同时输出；
Power center designed for use as a separate or simultaneous multi-voltage output;
目的探索学习环境中的气味，单独或同时出现于编码与提取过程中，其对短时记忆储存的影响。
ObjectiveTo study the smell in the environment , appearing alone or the same time in the process of coding and drawing , and its influence to the process of the short time memory storage.
热缺血与冷保存协同作用于供肝，单独或同时延长热缺血、冷保存时间，术后严重缺血性胆道并发症发生率增高。
Results The second bile duct warm ischemia time longer than 60 minutes was an independent risk factor for the severe ischemic biliary complication.
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