It is a reliable and useful new method to moniter the dul-ling process of grinding wheel by making use of acoustic emission (AE).
用声发射技术监测砂轮磨钝过程是一种方便而且可靠的新方法。
Conclusions Implanted placenta can be diagnosed accurately by ultrasonography, which can moniter the therapeutic effect and guide dilatation and curettage.
结论超声可对植入性胎盘进行准确的诊断，并对介入治疗效果进行监护，指导清宫治疗。
Objective to study whether wrist electronic blood pressure moniter can replace desktop mercury sphygmomanometer to take blood pressure in emergency triage.
目的研究腕式电子血压计在急诊分诊时是否可以替代台式汞柱血压计测量血压。
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