This paper analyzes the connotation and construction necessity, and finally puts forward the suggestion of secure information navigation system.
本文分析了学科导航系统的内涵、建设的必要性，提出了安全工程学科信息导航系统的建设构想。
It also elucidates briefly the necessity and possibility of simplifying the flow network for construction.
本文还简略地阐明了简化建筑流水网络的必要性和可能性。
The necessity and importance of establishing the construction jurisprudence as a subject is based on the techno-economical peculiarities of construction, therefore it has its long-term advantage.
建筑法学作为一门学科建设的必要性和重要性实是基于建筑的技术经济特点，在学科建设方面有其长远的优势。
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