BACKGROUND AND STUDY AIMS: Percutaneous endoscopic gastrostomy is the preferred route for long-term enteral feeding.
背景和研究目的：经皮内镜下胃造瘘术是长期胃肠营养的首选措施。
BACKGROUND and STUDY AIMS: Anxiety before colonoscopy may have adverse consequences and increase requirements for sedation and analgesics.
背景和研究目的：结肠镜检查前的焦虑可能产生不利后果，增加镇痛剂和镇静剂的用量。
BACKGROUND AND STUDY AIMS: Diagnostic endoscopic retrograde cholangiography (ERC) is being replaced by endoscopic ultrasonography (EUS) in patients with suspected bile duct stones.
背景和研究目的：内镜超声检查法(EUS)代替诊断性内窥镜逆性胆管造影术(ERC)检查可疑的胆管结石患者。
The purpose of the study aims to provide some reference to middle-school track-and-field teaching on the background of new course standard.
研究的目的旨在为中学体育教师在新课标背景下的中学体育课田径教学提供参考。
On the background of the develop of the acoustic survey device, this paper aims to study and develop its orientation and depth control subsystem.
本论文以某军用水声测量装置的研制为背景，深入研究开发了其中的回转定深控制系统。
"This study aims to better understand the ideology of" Washington Consensus ", by analyzing its ideological theoretical background, how it is structured and functioned."
这项研究的目的是更好地理解“华盛顿共识”的思想，通过分析其思想理论的背景下，如何构成和功能。
Thus cognitive study of syntactic constructions (CSSC) aims at searching for the motivations of syntactic constructions (SC) against that background and within that frame.
句法认知研究是在一般认知能力的框架内探求同句法相关的认知理据。
In this part, the author aims to explain the background and significance of the study, the research ideas and methods, and the literature review about teacher-student relationship at home and abroad.
论文的第一部分为引言部分，旨在说明研究的背景和意义、研究思路与方法以及国内外关于师生关系的文献综述。
Under this background, the article aims to study the application of 3d GIS in the field of forestry resource management and has explored a new kind of technological method.
本文在这样的背景下旨在研究三维地理信息系统在森林资源管理中的应用，探索了一种崭新的技术手段。
Under this background, the article aims to study the application of 3d GIS in the field of forestry resource management and has explored a new kind of technological method.
本文在这样的背景下旨在研究三维地理信息系统在森林资源管理中的应用，探索了一种崭新的技术手段。
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