Each mount can rotate 360 degrees and has a 90 degree arc of fire.

每个安装可以旋转360度，并有一个90度的弧形火灾。

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Indonesia sits on the volatile "Ring of Fire," an arc of seismic instability around the Pacific rim.

印尼即坐落在极不稳定的“火山带”上。这条火山带呈弧形，围绕着太平洋周边地区，充满了地质不稳定。

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Arc fault is a major cause of the electric fire, detecting on the arc fault comprehensively and effectively is the study of this article.

故障电弧是造成电气火灾的重要原因，实现全面而有效的对故障电弧的检测是本文的研究内容。

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Smith says that one test in the U.K. found 80% of time, people would surrender after seeing the warning arc, without an officer actually having to fire the device.

FORBES: CES: Please Tase Me, Bro