本论文是在研究三角形的双曲线的理论。
The purpose of this thesis is to study the theory of hyperbolas of triangles.
年版；艾伯特·林克和约翰·斯科特：“研究三角园区的成长，”《小企业经济学》。
Albert N. Link and John T. Scott, "The Growth of Research Triangle Park," Small Business Economics.
作为逆向工程中的关键技术——三角剖分一直是逆向工程的研究热点。
As the key technology of reverse engineering, triangulation is always a hot research topic.
目的研究黄河三角洲饮水安全卫生状况及对策。
Objective To study drinking water hygiene status and management countermeasures.
作者选取了珠江三角洲地区的港口作为研究对象。
Pearl delta has been selected as the subject of our research.
作者选取了珠江三角洲地区的港口作为研究对象。
Pearl delta has been selected as the subject of our research.
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