third-class paper

Third, the paper theoretically analyzes basic design theory of flexure strengthened RC beam.

然后，论文从理论上分析了抗弯加固设计的基本原理；

This paper describes the advanced third generation wave model SWAN.

介绍国际上较为先进的第3代近岸波浪数学模型SWAN模型。

With respect to the third angle projection, this paper sets forth briefly its rationale, characteristics, and chart reading, in the form of compa-rison.

本文用对比形式扼要地阐述了第三角投影法的基本原理、特点和看图方法。

The paper optimized the optional parameters and controllable parameters during the machining of the hypoid gear with the hypoid format tilt so as to effectively eliminate its third order contact shortcomings and realize its engagement quality control.

本文对刀倾法加工准双曲面齿轮过程中可选加工参数以及预控参数进行优化，有效地消除准双曲面齿轮的三阶接触缺陷，实现准双曲面齿轮的质量控制。

In this paper, the third cosmic velocity i.e., the smallest velocity needed for launching an object from the earth into the space out of the solar system, is found to be 13.8km/ s, quite different from 16.7km/s given in some traditional text books.

本文计算出从地球上发射物体使其能飞出太阳系所需的最小速度，即第三宇宙速度，为13.8km/s，与一些传统教科书中给出的16.7km/s有较大的差异。