1728年，奥伊勒绘出了曲面上测地线的微方程。
In 1728 Euler gave differential equations for geodesics on surfaces.
本文对利用短期测波资料推算设计波浪要素的奥奇方法和《海港水文》规范附录方法进行了讨论。
In this paper, both methods povided by Ochi and "Hydrplogy Standard Specifications for Port and Harbour" (HSSPH) are discussed.
河南某高速公路隧道工程全部采用新奥法施工，该施工方法的特点之一是注重现场监控量测，并利用量测结果及时补充设计和指导施工。
The expressway tunnels construction in Henan province used new Austrian tunnelling method, which emphasized on site monitoring and measuring, and improving design and construction using the results.
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