电子显微镜利用一束电子产生高倍放大的影像。
The electron microscope uses a beam of electrons to produce images at high magnifications.
TEMs 的工作原理是通过发射一束电子穿过某种物质，并测量它如何吸收和偏转粒子来建立样本的图像。
TEMs work by firing a beam of electrons through the material and measuring how it absorbs and deflects the particles to build up an image of the sample.
在电子显微镜下，常使用一束电子光而不是普通光线来为标本照明。
In electron microscopes a beam of electrons instead of a beam of light is directed onto the specimen.
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。
When electrons or photons in a beam pass through the two slits, they act as waves and produce an interference pattern on the wall.
一束电子波衍射的方式，同光波从一个反射光栅上弹回的方式完全类似，这真是不可思议。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
1982年4月，Shechtman博士向一片铝锰合金发射了一束电子，以便了解晶体的内部结构。
On April 8th 1982 Dr Shechtman fired a beam of electrons at a slice of aluminium-manganese alloy, in order to understand its crystal structure.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron s state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron's state so that it has the density distribution shown in green.
一束校准后的粒子流(原子、电子或分子)。
The nucleus of an atom consists of neutrons, protons and other particles.
一束校准后的粒子流(原子、电子或分子)。
The nucleus of an atom consists of neutrons, protons and other particles.
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