Overall, however, clinical signs are poor predictors of hypoxaemia, and using pulse oximetry in resource-poor health facilities to target oxygen therapy is likely to save costs.

总之，临床症状不能很好地预示低血氧症，在资源匮乏的医疗机构进行脉搏血氧测量并借此判断是否采取吸氧疗法可以节省成本。

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A large quantity of experiment show that this MWEDM pulse generator can improve overall process performances, provide guarantee of technology for expanding machining field.

试验表明，这种高质量的脉冲电源为改善微细电火花线切割加工整体性能、拓展加工领域提供了技术保证。

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The overall semiconductor devices are mainly used to design high-speed launchers for ultrasonic pulse detection.

主要采用通用性半导体器件来设计超声检测用高速脉冲发射器。

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