When electrons or photons in a beampass 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。
2
The eleventh step: Starts from Shell Beampass 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)。
3
You all know how when you take a crystal prism and pass a beam of sunlight through it, you get a spectrum, which looks like a continuous band of rainbow colors.