apertures造句

• The only light came through a narrow aperture .
  仅有的光亮来自一个小孔。
• The first aperture was sufficiently large to enter .
  最初出现的洞口已可容纳一个人进去。
• Being cautious, he had made the aperture too small .
  由于小心谨慎，他刚才把洞开得太小了。
• We must not forget to open the aperture at the second contact .
  在食既时不要忘记放大光圈。
• The quadratic aperture of the cat's-eye diaphragm is imaged too large .
  猫眼光栏的方形光孔成象太大。
• If the aperture is circular, a circular spot of light appears on the screen .
  如果孔是圆形的，那么在屏幕上出现一圆形光斑。
• These ions pass through a slit of variable aperture and then enter the magnetic field analyzer .
  这些离子通过可变宽度的狭缝进入磁场分析器。
• The aperture allows the desired beam to enter the camera while all other light is intercepted .
  孔可以使所需要的光束进入照相机，而将其余的光线遮挡住。
• Figure 6-9 shows the oven with the small aperture for viewing the radiation leaving the enclosure .
  图6-9表示一个空腔，上面开着一个小孔，用来观察空腔发出的辐射。
• Now remove a small disk-shaped segment from the center of the screen so that light streams through the aperture .
  现在从屏的中央挖掉一个圆盘形小块，使光通过此孔射出。
• Actually, the mask and openings are not really necessary; the mirror alone could serve as aperture .
  其实，挡光板及其上的开孔都是不必要的；单单反射镜本身就可以起小孔的作用。
• Note as well that the above considerations apply when all of the apertures are illuminated completely coherently .
  还要注意，当所有的孔都以完全相干的方式照明时，上述讨论也适用。
• The coddington is essentially a sphere with a slot cut in it to allow an aperture smaller than the pupil of the eye .
  科丁顿放大镜实质上是一个球，球面上开槽，使得孔径小于眼的瞳孔。
• As sedimentation continues the deposits adjacent to the aperture will build up, layer by layer, to the water level .
  当沉积作用连续进行时，邻近口子的沉积将一层一层地向上筑造到水面。
• A very small lens aperture is employed to correct spherical aberration, but this severely limits the final resolution .
  可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。
• The results from the pollen densitometers indicate the number of pollen grains sucked into a device per square millimeter of the aperture .
  花粉显像密度计的计算结果，可以表明每一平方毫米孔径上吸入的花粉粒数。
• In practice the surfaces of interferometer plates cannot be worked perfectly plane, and in consequence the plate separation h always varies over the aperture .
  实际上，干涉仪两板表面不可能加工得完全平，因而板的间隔h在孔径范围内总是改变的。
• Radio astronomers are now able to synthesize the response of a partially filled aperture of large diameter and thus to map variations in nebular brightness .
  射电天文学家现在已经能够把部分充满的大直径孔径进行综合，从而描绘出星云亮度变化图。
• This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plane-convex lenses a and b and a diaphragm c having a small aperture .
  此装置称为锥光镜，如图142所示，它由A和B两个无应力平凸透镜和一个带小孔的光阑C组成。