The content of exploring experimental teaching course involves basic techniques, typical targets and common research strategies.

探究性实验教学内容覆盖基本实验技术、主要研究对象和常用研究方案。

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Low-frequency traces and long-offset traces are typical targets for muting.

低频的地震道和长偏移距道都是切除的目标。

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It works stably and can detect and track some typical targets both on ground and in sea.

该系统工作稳定，能够实现对地面和海面典型目标的检测和跟踪。

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Mark Monitor's Fred Felman says that his group targets more than 500 sites in a typical week and has never had a "false positive, "--in other words, has never mistaken a legitimate site for a phisher.

FORBES

Mac users, who were once smug because they felt safe from malware, are also targets, with Sophos detecting some 4, 900 types of OS X malware in a typical week.

FORBES: 2012: Year Of The Android And Mac Malware