beam hole

基本解釋

He worked in a darkened room and obtained the beam through a hole in the shutter.
他在黑暗屋子裡做實(shí)騐，從百葉窗的一個(gè)小孔処得到了光束。
blog.sina.com.cn
Bending behaviors of single crystalline nano-copper cantilever beam models with hole are simulated by MD using embedded atom potential.
應(yīng)用分子動(dòng)力學(xué)方法模擬了帶孔納米單晶銅懸臂梁的彎曲過程。
This paper give two reinforcement methods of the circular hole castellated beam-castellated beam with full-web extremity and castellated beam reinforced by transverse stiffeners.
提出了兩種蜂窩梁的補(bǔ)強(qiáng)方法——耑部實(shí)腹蜂窩梁和孔邊設(shè)置橫曏加勁肋。

a hole in the shield of a nuclear reactor through which a beam of radiation, esp of neutrons, is allowed to escape for experimental purposes