...螺旋扫描（helical scan）是一种磁带录制方式。在二十世纪六十年代它被用来录制电视节目，随后被几家大的存储供应商（包括IBM、Exabyute、StorageTek及其他...
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Helical Scan Recording 以螺旋扫描记录 ; 螺旋扫描记录 ; 螺旋式扫描记录
Helical Scan Tapes 螺旋扫描磁带
Vertical Helical Scan 垂直螺旋扫描
Helical Scan Recording Technology 记录技术
helical scan magnetic recording [计] 螺旋扫描磁记录
1-inch Helical-Scan Recorders 英寸螺旋扫描录像机
video helical scan 视频螺旋式扫描
helical scan recorder 旋转头磁记录器
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N denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix 螺旋扫描
a helical-scan tape
Objective: To contrast data of reconstruction in lung helical scan and general CT scan, to evaluate the value of its clinical application.
目的：对肺部螺旋CT扫描重建资料与CT平扫进行对比，探讨临床应用价值。
This paper proposed a modified ordered subsets expectation maximization(OSEM) reconstruction based on the direct helical half-scan data.
提出了基于直接螺旋半扫描数据的有序子集期望最大化（OSEM）迭代重建。
Helical CT scan images were obtained in the vascular phase and the maximal hepatic enhancement phase.
对所有患者均进行双螺旋CT扫描，分别获取血管相和肝脏最大强化相影像。
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