visual

• Distribution map serves as a visual statement of a class of data .
  分布图作为对一类资料的形象化陈述。
• It is fairly easy to create a superficial visual difference .
  要创造出一种表面视觉上的差异还是很容易的。
• The so-called visual display unit is in fact a cathode ray tube .
  所谓可见显示装置实际上是一个阴极射线管。
• In this context a graph is hardly more than a visual or computational aid .
  在这方面图仅仅是直观的和计算的一种工具。
• Thermal imagery produces a visual record from natural heat radiating sources .
  热图象由天然热辐射源产生一种可见的记录。
• Retinal hemorrhage, and blurring of the optic dise cause visual disturbances .
  视网膜出血及神经盘模糊等可导致视力障碍。
• The visual impression is dominated by the alignment, not by the individual pulses .
  直观效果是由同相轴而不是零星的脉冲支配的。
• Diagrams and graphs are indispensable visual aids in many aspects of economics .
  图形和图解在经济学的许多方面是重要的形象工具。
• The fovea is the area of maximum visual resolution(but not maximum sensitivity) .
  黄斑是具有最大视觉清晰度（但不是最大灵敏度）的区域。
• Objectives which consist only of one lens can be used for visual and photographic observations .
  由单透镜组成的物镜可作目视和照相观测用。