light beam pick-up 光束拾讯器
pick up beam 抓梁
pick-up beam 抓梁
single-beam optical pick-up 单束激光头
single-beam swing arm pick-up 单束摆臂式激光头
pick beam
挑梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The tractor beam is very selective in the properties of the particles it acts on, so you could pick up specific particles in a mixture.
BBC: Star Trek style 'tractor beam' created by scientists
Or you can pick your poison, choosing between surgery to remove the prostate and one of two forms of radiation, external beam radiation and radioactive "seeds" implanted in the gland itself.
FORBES: Men, Cancer, & Hope
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