The dissertation focuses on the study of tip and bottomAngle steel linking light steel frames with stomach plank angles.
本文主要针对带双腹板角钢的顶底角钢连接的半刚性连接轻型钢结构框架进行分析研究。
2
A camera at the bottom of the lens tracks the viewers by collecting light coming the other way through the lens and the Angle of the LEDs changes to correspond to the viewers' movements.
透镜底部的摄像头通过收集反射回来的光线定位观众的位置，同时发光二极管的角度根据观众的移动发生改变。
3
Light enters at the thinner, bottom end of the lens and bounces around until reaching the desired Angle and emerging from the front of the lens.