beam pass

基本解释

When electrons or photons in a beam pass through the two slits, they act as waves and produce an interference pattern on the wall.
当一束电子或者光子通过这两条裂缝，他们就像波纹一样并产生互相干涉的图案。
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The IR warning system with large beam and narrow pass band can operate steadily for a long time in the environment of strong vibration and serious electromagnetic interference.
采用独创的大光束窄通带红外警戒技术使系统能在剧烈震动、电磁干扰严重、环境恶劣的铁道路面长期稳定工作。
The eleventh step:Starts from Shell Beam pass through the desert oasis-Xiangride, Penchen Lama's divine position, then reach to Tubo Ancient graves. (the whole journey is 250 km)
第十一站：从贝壳梁出发经戈壁绿洲香日德、班禅行辕，抵达都兰古墓群。（全程250公里）
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