旅游的目的是如何从自然学习，然后理解，从而探索艺术设计的原理。
The goal of travel is how to learn from nature and then understand and search for the principles of art design.
介绍了太阳能旅游船的电路系统结构及工作原理，并对部分电路的设计进行了详细的阐述。
This article introduce circuitry system structure of solar energy tour ship and principle of work, set forth part of circuitry design in detail.
本课程运用经济学的一般原理，研究现代旅游产业活动的特殊规律性。
This course is to study the special regularity of modern tourism industry by using the general theory of economics.
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