focused beam

常见例句

The microscope works by scanning a focused beam of electrons across an object.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
The researchers used a focused beam of caesium ions to dislodge molecules of water from the inclusions and measured the amount with a mass spectrometer.
研究人员用聚焦的铯离子束将水分子自包裹体中打出并用质谱仪测量其数量。
Unlike some other possible techniques, a sharply focused beam loses minimal energy over large distances, preserving its efficiency: "A hundred metres is no big deal."
“和其他一些可能的技术相比，在远距离传输上，高度聚焦的光束损失的能量最少，能保证传输效率：“100米的距离没什么大不了。”

It invented a sophisticated device that emits sound waves in a lethally focused beam of energy but never proved that ultrasound provides long-term relief or is more effective than existing procedures.
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They placed a sample of each in a machine that shook them about, and focused a laser beam on each sample.
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They have focused like a laser beam on the holy grail of compensation — carried interest.
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