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2003年1月27日下午3时，救治组在对24日四川宜宾误捕的白鲟进行了成功的抢救后，将该白鲟进行声纳标志放流，并由长江水产研究所进行追踪研究。一.严密追踪白鲟放流后，长江所科研人员立即开始追踪工作，对其进行24小时不间断追踪，当时即获得白鲟向下游漂流的行动轨迹。l月29?
On January 27, 2003, at 3:00 p.m., the rescue team conducted a successful rescue of the white sturgeon which was accidentally caught on January 24 in Yibin, Sichuan Province. After that, the white sturgeon released the sonar sign for follow-up study by the Yangtze River Fisheries Research Institute. A close tracking of the release of white sturgeons, the Yangtze River researchers immediately began tracking work, its 24-hour tracking, then get the white sturgeon drifting to the downstream trajectory. l 29