Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时放射骨盆测量价值有限。
术
;;;,内窥镜检查;;
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术;
检验；放射探伤片探伤超声检验；射检查；射探伤Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时放射骨盆测量价值有限。
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
射检测。从硬件和软件两个方面描述了系统工作原理。
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