目的探讨食管癌和贲门癌术后发生不能经口进食的严重并发症时，建立无创伤肠内营养支持的有效方法途径。
Objective To discuss the effective methods of enteral nutrition support in the cases of esophageal and cardia cancer with postoperative oral nutrition diffeculty.
选择科学途径：使用这些有效的方法来舒缓你那疲惫的神经吧。原文视频值得一看！
Take a scientific approach to soothing your frazzled nerves with these proven methods.
本文通过例举国内外若干居住区设计实例，阐述了如何改善居住环境的有效途径和方法。
This paper takes some domestic and international inhabitancy districts design as example, states the valid way and method to improve living environment.
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