directed beam display 定向射线显示器
directed beam 定向光束 ; 定向波束 ; 直视抏谱仪 ; 定向射线
directed beam scan 受控光束扫描
directed beam display device 导向射束显示装置
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.
在几天的测试中，指示器或跟踪器跟踪一个红外光源，并引导激光束击中目标。
They exposed the creatures to a beam of directed blue light, as might come from certain bioluminescent predators, as well as to other stimuli such as passing shadows.
他们揭露了生物的蓝色光束，可能来源于某个会发光的食肉动物也可能是受到其他的刺激，如通过的阴影。
That cyclotron's energy beam will be directed to five treatment rooms, each over two stories tall.
回旋加速器的能量光束将被引导到5个治疗室中，每个都超过2层楼高。
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