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

• He directed the tiny beam of light at the roof.
  他把那一小束光对准了屋顶。
• Look, there's a beam of light coming through the thick fog.
  瞧，浓雾里射出了一道光线。
• He visualized what it would he like to ride on the end of a beam of light.
  他做了“思想实验”。他想象自己可以跑的像光一样快。
• 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。
• An analogy to demonstrate this principle could be seen in the projection of a movie onto a screen by a high powered and focused beam of light coming from the projector.
  能够看见投影在银幕上的电影，以此类推，通过高原子能量和聚焦光束就产生了投射机。
• 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。
• 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。
• 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。
• A beam of light produced by a laser can weld metals.
  激光器发生的光束可以焊接金属。
• 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。