大坝安全巡视检查信息评价指标一般是定性的。
Generally, the indexes of field inspection information in dam safety are qualitative.
传统的安全管理模式一般是事前布置，中途例行检查再加上事故后处理。
The traditional safety management mode is generally arranged beforehand, midway routine check plus accident treatment.
Rustock对PC机的更新伪装成好像是论坛上的内容，这使得它们很难被安全软件辨认出来，一般的安全软件主要检查恶意软件的典型的特征。
Updates to PCs in Rustock were also disguised to look like comments in discussion boards, making them hard to spot by security software which typically looks for well-known signs of malware.
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