beam of light

英 [biːm ɒv laɪt]

美 [biːm əv laɪt]

光束

医学

英英释义

noun

• a column of light (as from a beacon)
  Synonym:beamlight beamrayray of lightshaftshaft of lightirradiation

双语例句

• The energy source for laser beam machining is a highly concentrated beam of light.
  激光切削的能量来源于一束高聚焦光。
• A plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare.
  可以使光束偏振的一种塑料薄膜；使用时通常戴着太阳镜来挡住耀眼的光。
• Look, there's a beam of light coming through the thick fog.
  瞧，浓雾里射出了一道光线。
• This opens the possibility of a new type of cross modulation, where a beam of light at one of the absorption frequencies can turn on or off the light of the other.
  这就可能制造出新型的交叉调制器，一束有特定吸收频率的激光能打开或关闭其它的光。
• In electron microscopes a beam of electrons instead of a beam of light is directed onto the specimen.
  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。
• The beam of light is focused on the object under the microscope that is to be studied.
  在显微镜下，光线聚集在我们要研究的物体上。
• A beam of light passing through it is brought to a point or focus.
  光束通过它时能够汇聚成一点。
• Reflection of a beam of light on the diaphragm falls on a phototransistor.
  经膜片反射的光束照射到光敏管上。
• He directed the tiny beam of light at the roof.
  他把那一小束光对准了屋顶。
• The surface is not perpendicular to the beam of light illuminating it.
  阳光所照的平面，与光本身并不垂直。