这些问题主要与手术创伤有关，包括：大转子区疼痛、早期疲劳和可以持续1年的术后跛行。

These problems are mostly related to surgical trauma and include greater trochanter pain, early fatigue, and limping that can last up to 1 year after surgery.

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早期的白领在潮湿的地下室和阁楼里，站着或坐在凳子上，在高高的木桌旁工作，他们在工作中很可能会患上肺结核，或者眼疲劳。

The early white-collar workers stood or perched on stools at high wooden desks in damp basements and garrets, where they were quite likely to contract tuberculosis as well as eye strain.

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分析结果表明，该连杆螺栓早期疲劳断裂的原因是由于杆部与头部的过渡圆弧处产生的应力集中所导致的。

Analysis results indicate that the arc transition area between rod and head is easy to produce stress concentration, which results in earlier fatigue failure.

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