A twist marks the investigation when its discovered the prime suspect suffers from an unusual condition.

一个扭曲的调查发现，当其发现的主要犯罪嫌疑人患有一种不寻常的情况。

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Research result shows that system can carry out effective surveillance and measure of the data such as train speed, direction, unusual condition and payload.

研究结果表明：系统可对列车运动速度、运动方向、列车异常情况、列车有效载荷等数据进行有效监测。

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New findings by Professor Eli Sprecher of Tel Aviv University's Faculty of Medicine and the Tel Aviv Sourasky Medical Center show that a genetic mutation is responsible for this unusual condition.

特拉维夫大学Sackler医学院的Eli Sprecher教授和特拉维夫Sourasky医疗中心表示，造成这一不寻常现象的原因是基因突变。

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In a statement issued Friday, the NTSB said the engineer of the eastbound train that derailed told investigators he noticed "an unusual condition on the track" as the train approached the area of the derailment in Bridgeport, Conn.

WSJ: Probe of Metro-North Derailment in Connecticut Focuses on Rail

What is unusual about this condition is that it's in two joints in her back leg, which are not normally vulnerable to arthritis.

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The diminished state of the aircraft is unusual for leasing companies, which typically can rely on strict covenants to maintain the condition of planes.

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