耀久九英英词典

focal ratio

F 开头单词

同根派生

     

英汉例句

  • The baker Super-Schmidt camera can operate with extremely low focal ratios.
    Baker超施密特照相机则能以非常低的焦比工作。
  • If you notice, every manufacturer of quality scopes with fast focal ratios uses mirror diagonals.
    如果你注意一些，没一个生产高质量短焦比的厂家，都会使用反射结构的天顶；
  • In the situation of different energy input, models are calculated.The thermoelectric generating parameters are obtained with the changes of focalizing ratio.
    并对不同输入能量的情况进行了计算，得出了热电性能参数随聚光比的变化规律。
  • The focal point of our discussion was the need for action.
    我们讨论的中心是采取行动的必要性。
  • The ratio of students to teachers is 35:1.
    学生和老师的比率是三十五比一。