1) difficulty points and characteristics
难点与特点
1.
Research conclusions:Based on the difficulty points and characteristics of underground pipelines detection,the analyses of the influencing factors on the underground pipelines detection for railway are made,and the countermeasures and resolution to improving the detection quality of underground pipeline for railway are offered.
研究结论:针对地下管线探测难点与特点,分析影响铁路地下管线探测工作的影响因素。
2) the feature of the playing and the difficulty in playing
演奏特点与难点
3) focuses and difficulties
重点与难点
1.
The‘Practice of International Trade’is a subject specialized in studying the international exchange of commodities, It is a comprehensive applied science with substantial content And this thesis analysis the practical significance of studying this subject as well as the learning methods, the focuses and difficultie
本文对学习本课程的现实意义、学习方法及部分重点与难点 ,结合教学实践进行粗浅的探析。
5) Features and Difficulties
特点和难点
1.
Features and Difficulties in Service Development of Xinjiang s Community;
新疆社区服务业发展的特点和难点
6) characteristics of difficulty
难度特点
补充资料：难点
1.问题难以解决之处。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条