Objective To discuss the operation time and scheme of repair.

目的探讨虹膜根部断离修复术的时机和手术方法.

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Conclusion operation time of bile duct operation might be before portal hypertensionforming.

结论胆管疾病在未发展到肝硬化门脉高压症前手术为宜.

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The paper analyzes the reasonable operation time passenger train by using congruence theory.

运用同余思想分析旅客列车的合理开车范围.

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Process improvement, including efficiency, process capability , operation time, quality loss reduction, cost reduction.

工艺改进, 包括生产率, 过程能力, 质量废损, 成本改进等等.

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Results All procedures were eventful with mean operation time of 1 h and successful rate of 100 %.

结果　手术成功率100%.

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Check and control mechanics'actual time spent on the job against allowable operation time ( efficiency ).

督促工人的工作有效性,提高工作效率.

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