In Sichuan region, the faults encountered in Wells are always associated with developed fractures. Therefore, to prospect the fault is favourable for us to find out and track the fractures.

四川地区，井下所遇断层常常与裂缝发育相伴生，因而对断层的探测有利于发现和追踪裂缝。

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Bad track of hard disk is the most troublesome in all hard disk fault, especially physical bad track.

硬盘坏道(特别是物理坏道)是硬盘的所有故障中最让人头痛的。

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The results show that MCA can be used to pre-judge the fault of antenna drive system, which can effectively avoid fatal failure, and ensure the antenna to track satellite in good condition.

结果表明，电机电流分析法可以对天线传动系统的 故障进行预判断，有效避免系统级故障的发生，确保天线运行在良好的跟踪状态。

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The RSPCA has called for post mortem examinations on the horses that were killed, but have said that the track itself is not at fault.

BBC: Horses

But it was Terry who was at fault with Everton's equaliser, failing to track Saha's superb run towards the near post that culminated with the striker heading beyond Cech.

BBC: Sport - Football - Everton 2-1 Chelsea