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abbr.主动屏气时间试验（distancevisualacuity）
1、palanquin dva───帕兰昆dva
1、DVA Digital and Audio Announcements───数字语音广播器
2、In addition, the DVA has been extended to simultaneously reduce motion artifacts in three dimensions using three orthogonal navigators.───此外，DVA已扩展至同时减少运动伪影在三个方面利用三个正交航海家。
3、Objective To analyze the MRI manifestation of cerebral developmental venous anomalies (DVA) and the diagnostic value of MRI.───目的分析脑发育性静脉异常(DVA)的MRI表现及诊断价值。
4、volunteer service organization may, according to the requirements of volunteer service activities, recruit temporary volunteers, which shall be put on archival filing of the MVA or DVA.───义工服务组织可以根据义工服务活动的需要，招募临时义工，并在市或者区义工联备案。