最后以长江三角洲地区的旅游协作为例，运用区域旅游协作的运行模式对它进行了分析。
At last, the study applied the operational mode to analyze the case of the regional tourism collaboration in the Changjiang River delta.
文章重点论述了珠江三角洲专业镇的成长过程、成长原因和成长的基本模式。
This paper focuses on the processes, causes and essential patterns of developing of the Specialized Towns in the Pearl Delta.
本文对喇萨杏主力三角洲的形成条件、沉积过程和模式演变进行了较系统的研究。
The paper deals systematically with the formative conditions, sedimentary processes and model evolution of Lasaxin delta in Songliao Basin.
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