Test beam provides single particle beam for different experimentation.

试验束能提供不同种类、一定动量的单粒子束流。

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Both the RC beams with cracks filled under loading and general RC beams have some maximal crack heigh about 0.7 ~ 0.8 times the test beam height.

持荷封闭裂缝梁与普通钢筋混凝土梁一样，都存在着止裂高度，即裂缝高度基本都稳定在梁高的0.7倍0.8倍。

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The first frequency method of estimating the fatigue serviceability on small and medium span railway concrete bridge is discussed in this paper through three piece test beam under fatigue load.

通过三片模拟梁试验实测结果，探讨了基频法评估铁路桥梁疲劳使用性能的可行性。

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The inflatable test facility, known as a Bigelow Expandable Activity Module, or BEAM, will launch aboard a SpaceX cargo resupply mission to the ISS in 2015.

FORBES: NASA Expanding ISS With Bigelow Aerospace Inflatable

Astronauts will test the ability of the bladder, known as the Bigelow Expandable Activity Module, or BEAM, to withstand heat, radiation, debris and other assaults.

NPR: Space Station To Get $18 Million Balloon-Like Room