Based on the analysis of CNC machine tool failure, Focuses on fault diagnosis of CNC machine tools and their removal methods.

分析了数控机床故障，重点探讨了数控机床的故障诊断及其排除方法。

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The incidence of fracture union without hardware removal was calculated, and the parameters that predicted success or failure were evaluated.

计算内固定物存留且骨折愈合的比率，并评价预测其治疗成败的指标。

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In the present study 274 cases of IUD removal failure were examined with hysteroscopy. In 237 out of 274 IUDs fragments of IUD were detected in uterine cavity.

本文介绍274例常规取节育器困难或失败的病例，经宫腔镜检查定位，274例中有237例病人的宫内节育器或其残段碎片在宫腔内，37例未见宫内节育器。

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"It is my view that it should be revoked on two grounds - the failure of the undertakings and the removal of professional competence, " the commissioner said.

BBC: NEWS | UK | Scotland | Crash firm to get revised licence