the beam

• The gravity is measured by nulling the beam .
  重力值是通过使横臂恢复零位而测定的。
• He struck the beam with his head .
  他的头撞到梁上了。
• The beam from the laser l passes through the shutter s .
  激光器L发出的光束经过快门S。
• Length of the span is equal to 10 times the depth of the beam .
  跨度等于梁的深度的10倍。
• We will consequently refer to it as the beam "spot size" .
  我们将它称为光束的“光斑尺寸”。
• This plane is therefore called the neutral surface of the beam .
  因此这个平面称为梁的中性面。
• The gas pressure is adjusted so as to balance the beam .
  通过调整气体的压力可以使天平横梁平衡。
• The beacon beckoned to the pilot, the beam pointed to the target .
  定向信标指挥驾驶员，射束则指向目标。
• Changes in the beam intensity will produce changes of the count rate .
  电子束强度变化将引起计数率的变化。
• The weight of the contents is transmitted by means of the floors to the beams .
  楼面荷载通过楼板传递给梁。