Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时
骨盆测量价值有限。
线;
的;
,辐;
窥镜的,窥镜检查的;
术;线照相检验；线探伤线照
线探伤线超声检验；线照相检查；线探伤Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时骨盆测量价值有限。
In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.
介绍了一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝的线检测。从硬件和软件两个方面描述了系统的工作原理。
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