The results are shown that ultrasonic guided waves can be generated by angle probe and can be used to inspect the flaws in the pipes.
实验表明，利用斜探头可以在管道中激励和接收超声导波并可对管道中的缺陷进行检测。
Objective: to probe into coordination and postoperative nursing care of children undergoing kidney puncture and biopsy guided by type-B ultrasonic.
探讨经b超引导小儿肾活体组织穿刺活检的术中配合以及术后护理方法。
Objective: to probe the role of ct in guided thalamotomy and posteroventral pallidotomy for Parknson's disease.
目的：探讨CT在帕金森病丘脑腹外侧核及苍白球腹后部毁损术中的定位作用。
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