Timber structures-Strength graded structural timber with rectangular cross section-Part 2: Machine grading;
木结构 按强度分类的矩形截面承重木料 第2部分：机械分选；
The shielded rectangular cross section slab line with cylindrical inner conductors is of great importance to microwave engineering and design.
由多根圆柱内导体和矩形外导体所组成的屏蔽矩形板线是电磁工程中一类重要的传输线。
Experimental results of 16 reinforced steel fiber high strength concrete members with rectangular cross section under pure torsion are reported.
对16根矩形截面配筋钢纤维高强混凝土纯扭构件进行了试验研究。
A laminated composite bar of rectangular cross section consists of a middle portion of one material as well as upper and lower identical cover plates of another material.
一矩形横截面的叠层复合材料杆，由以一种材料为中心部分，及另一种材料的上下两相同的盖板所组成。
Rack and pinion: Mechanical device consisting of a Bar of rectangular cross section (the rack), having teeth on one side that mesh with teeth on a small gear (the pinion).
齿条和小齿轮：一种机械装置，由一条矩形截面的杆(齿条)和一个与齿条上的齿相啮合的小齿轮组成。
This paper presents a 3-d wind resistant design method satisfying comfort requirements of residents of tower buildings with rectangular cross-section.
本文探讨了矩形塔式高层建筑满足人舒适要求的三维抗风设计方法。
In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross-section has more advantages than other methods.
在具有轴对称特性电磁场的数值分析中，用矩形截面环单元分析具有比其他单元更多的优点。
However, the thin-walled steel tubes are prone to local buckling under axial pressure, especially for the square and rectangular cross-section shape.
但是薄壁钢管在轴向荷载下容易发生局部屈曲，尤其是截面形状为方形或矩形时。
In this paper the local co-ordinate method was used for calculating the three dimensional distribution of the magnetic field in a cell by bus bar with rectangular cross-section.
本文采用局部坐标法计算矩形截面大电流母线在电解槽中产生的三维磁场。
In this paper the local co-ordinate method was used for calculating the three dimensional distribution of the magnetic field in a cell by bus bar with rectangular cross-section.
本文采用局部坐标法计算矩形截面大电流母线在电解槽中产生的三维磁场。
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