Summarize the principle, methods, advisability, repetition and superiority of brachial artery ultrasound used in testing endothelial cell function.
并肱动脉超声检测血管内皮功能的原理、方法、可行性、重复性和优越性作了综述。
Through field test, the reliability of metal material separation is affirmed by sclerometer testing repetition measurement. Moreover, ejection experiments are made in shooting range.
通过现场试验，以硬度计检测复检确认了金属材料分选仪的可靠性，并进行靶场退壳试验。
Through field test, the reliability of metal material separation is affirmed by sclerometer testing repetition measurement. Moreover, ejection experiments are made in shooting range.
通过现场试验，以硬度计检测复检确认了金属材料分选仪的可靠性，并进行靶场退壳试验。
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