The paper describes the results of tests on prototype size reinforced concrete frame specimens which were designed to represent the column-beam connections in plane frames.

本篇文章描述了对加固后标准尺寸混凝土结构试件进行试验的结果，该试件代表平面框架结构中的梁—柱联接部位。

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Firstly, this paper introduces the realize process of optimal sensor placement in a plane frame structure with model analysis result using finite element software ANSYS.

首先利用平面框架结构的模型实验，借助有限元软件ANSYS，利用模态分析结果，实现了基于有限元理论的传感器优化布置。

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Its advantages are discarding thick and heavy cover glass, high utilization ratio of energy, high brightness of refraction image, easy to making plane frame of hologram for display and easy to carry.

该法优点是不需要厚重玻璃衬板，光能利用率高，重现像亮，易于把全息图制成平面一体化构架，便于携带。

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When you have a velocity in the moving plane frame and you want to find the velocity on the ground, you should add to every object in the plane the velocity of the plane with respect to the ground.

当你在运动的飞机上运动,然后你想找到相对于地面的速度,你就应该给每个物体加上,飞机相对于地面的速度

耶鲁公开课 - 基础物理课程节选

The plane represented a big bet on new technology for Boeing: The plane's lightweight frame was to be built using mostly carbon-fiber composites, and it was to have an enhanced electrical system to power more systems and use less fuel than other jets.

WSJ: The Two Men Behind the 787