Magnetic coils focus the electron beams into fine spots.

磁线圈将电子束聚焦成细小的点。

《柯林斯英汉双解大词典》

The electron beams work by interfering with microorganism DNA.

电子束通过干扰微生物DNA从而发挥作用。

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A microscope that USES electron beams to visualize subcellular components.

应用电子束对亚细胞成分进行成像的显微镜。

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After that the industry will have to move on to nonoptical techniques, such as electron beams or even X rays, which have wavelengths less than a nanometer, one thousandth of a micron.

FORBES: Trick Of The Light

After that the industry will have to move on to nonoptical techniques, such as electron beams or even X rays, which have wavelengths less than 1 nanometer, or one-thousandth of a micron.

FORBES: Trick of the Light

The beams were injected at 450 billion electron volts, only a fraction of the energy that scientists will aim for when they attempt to collide two particle beams.

BBC: Particle beams injected into LHC