1·Ct scan — This may be of value in revealing the degree and site of obstruction as well as the as the cause in many cases.
CT扫描：在某些病例，对显示梗阻部位，程度以及原因有一定价值，使用对比剂可估计残留有肾功能。
2·The pathogenesis of this symptom complex is not entirely clear but is believed to involve both mechanical obstruction and chemical injury.
这一综合征的发病机制尚未完全清楚，但相信与机械梗阻和化学损伤有关。
3·Mechanical obstruction may require operation for repair of common bile duct stricture or for gallstones.
机械性梗阻可能需要手术以修复胆总管狭窄或除去胆石。
4·Intervention was for gastric obstruction (20%), bleeding (7%), or perforation (2%).
干预的主要病因有胃梗阻(20%)，出血(7%)，或穿孔(2%)。
5·Objective To evaluate the clinical value of MR cholangiopancreatography (MRCP)in diagnosis of biliary obstruction, and their value in diagnosis and differential diagnosis of MRCP and MRI.
目的评价磁共振胰胆管成像（MRCP）对胆道梗阻性疾病的临床诊断价值，探讨肝外胆道梗阻的MRCP、MRI诊断和鉴别诊断。
1·Finally on the basis of the transaction systems preponderance and obstruction for adopting market maker system, we provide some proposals for the establishment market maker in GEM.
最后根据我国创业板市场引入做市商制度的优势与障碍，笔者就我国创业板市场引入作市商制度提出了几点建议。
2·Bridges and tunnels are great symbols of mankind's conquest of obstruction.
桥梁和隧道是人类征服障碍的伟大象征。
3·The appearing of multimedia removes the obstruction for the quitting of paper-made books.
多媒体的出现为传统图书退出历史舞台扫清了障碍。
4·This shows the basic reason for skin aging is DNA synthesis obstruction of cells.
这说明DNA合成障碍是皮肤细胞衰老的根本原因。
5·On the basis of obstruction information on a routing plane, this router has a high efficiency in time and and space by using the heuristic technique in artificial intelligence.
这个算法以布线平面上的障碍信息为基础，采用了人工智能中的启发式搜索技术，时空效率很高。
1·He was arrested for obstruction of a police officer in the execution of his duty.
他因妨碍警察执行公务而被逮捕。
—— 《牛津词典》
2·She was acquitted on the obstruction of justice charge and, according to press reports, the jury deadlocked 7-5 for acquittal on the contempt charges.
妨碍司法罪被判不成立，而在判定蔑视法庭罪不成立时，据媒体报道，陪审团却以7票对5票陷入僵局。
3·Despite much badgering from Cheney, Bush refused a pardon for Libby, who was convicted in 2007 of perjury and the obstruction of an investigation into the outing of Valerie Plame, a CIA agent.
尽管切尼死缠烂打，但布什仍拒绝赦免利比。 2007年，利比被判做伪证和妨碍中情局特工Valerie Plame身份被泄露一案的调查两项罪名成立。
4·They were told had been arrested on assault and obstruction charges.
话音刚落，Swain和Apple被推搡倒在地上，并告知因袭警和妨碍公务被逮捕。
5·That anyone trys to exempt acquaintances from penalties with his authority will be defined as "Willful Obstruction of Law Enforcement", and may even be claimed for criminal liabilities.
如果有人利用职权为熟人开脱，试图逃避处罚，就属于“蓄意妨碍执法”，甚至可能被追究刑事责任。