This article has discussed Shenyang fish disease preventing and controlling and the aquatic product quality safe examination system establishment importance and the necessity from 8 aspects.

本文从8个方面探讨了沈阳市鱼病防治与水产品质量安全检测体系建立的重要性和必要性。

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The function and the performance of existing on-line examination systems haven't satisfied the need of large-scale application, especially in safe transmission of network.

现有网上考试系统在功能上还不够完备，其性能和适用范围都难以适应大规模应用的需要，尤其是在网络安全方面缺乏保障。

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Intensive observation during the performance, effective prevention measures and avoiding the occurrence of complications are necessary to ensure a safe and successful examination.

检查中严密观察病情，采取有效的预防措施，避免并发症的发生，是确保检查安全、成功的重要环节。

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It was made safe by army bomb experts, and was taken away for forensic examination.

BBC: Pipe bomb left at Londonderry home