beam cross-section的意思|示意

This paper gives an an illustrational proof to beam intensity distribution for narrow beam of rectangular cross section, and presents an accurate expression to calculating beam intensity.

本文对截面为矩形的窄束给出束强分布的图解法证明，并提出计算束强的精确公式。

This program processes and analysis the laser beam cross-section image captured by CCD camera using digital image processing technology to get the beam quality parameters.

此程序利用数字图像处理技术对CCD摄像机采集到的激光光束截面图像进行处理和分析，以获得光束的质量参数。

Steel-concrete composite beam with high capacity, good ductility, stiffness, member cross-section the advantages of small size.

钢-混凝土组合梁具有承载力高、延性好、刚度大、构件截面尺寸小等优点。

The size and position of the cross section of support beam, the opening direction of beam channel.

表面处理形式、状态；支撑梁的截面尺寸和位置，槽钢的开口方向。

Gaussian beams can be judged and measured using a new method described here which measures only the intensities on four coordinate points in the same cross section of the measured beam.

提出一种判别和测量高斯光束的新方法。在截面内对任意等距四点采光测量，就可判别和测量此高斯光束。

When a curved beam is bending in the plane of the curvature, the neutral axis of cross section is not identical with the axis of gravity due to the influence of the initial curvature.

由于曲率的影响，曲线梁在其曲率平面内弯曲时的中性轴不通过横截面的形心。因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。