1) long-standing puzzles
长期存在的难题
3) permanent existence
长期存在
1.
The dialectical thought of the permanent existence of feudal society in China;
中国封建社会长期存在的辩证反思
4) That has existed or lasted for a long time
长期存在的;为时长久的
5) refugee of being
存在的难民
1.
It describes a hero called Peter Pustota, who examines the space-time from 1919 to 1990 in the view of a refugee of being.
小说以一个存在的难民普斯托塔的目光来审视1919年和1990年两个时空，世界在主人公时空穿越的过程中幻化。
6) existing problem
存在的问题
1.
Discussion on the existing problems and countermeasures of engineering cost consultancy industry
浅议工程造价咨询业存在的问题与对策
2.
According to the existing problems of underground water resources, the countermeasures of sustainable development are put forward.
针对地下水资源利用中存在的问题,提出可持续发展的对策。
3.
In order to satisfy the demand of cultivation of water supply and waste Water treatment engineering majors under new situation,corresponding measures of construction and reform are put forward aiming at the existing problems during the teaching of pump and pump station course.
根据新形势下给水排水工程专业的人才培养的需要,针对现有泵与泵站课程教学过程中存在的问题,提出了相应的课程建设与改革措施,并对其在教学实践中的应用效果进行分析与总结,为进一步深化该课程的教学改革指明了方向。
补充资料：存在主义伦理学(见存在主义)
存在主义伦理学(见存在主义)
existentialist ethics
cu陀012加yilun淞Ue存在主义伦理学(existeotialist ethics)见存在主丸
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