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- A line through the optical center of a lens that is perpendicular to both its surfaces. 光轴通过透镜的中心垂直于物体两面的线
- Next we examine the resulting spot diagram for the exact optical center of the mirror. 下面我们检查镜子中心的结果
- So because contacts are right on the eye and move with the eye, there's no optical center. 那由于隐形眼镜是直接戴在眼球上,并且跟着眼球移动,所以没有视觉中心。
- Glasses have what's called an optical center, which means that objects appear clearest when viewed through the center of the lenses. 眼镜都有一个被称为视觉中心的点,也就是说通过镜片的视觉中心点看到的图像最清晰。
- The lensometers is also called measural lens dioptre instrument,to measure spherical lens dioptre,cylindric lens dioptre and axis,prism dioptre,and lens optical center etc. 顶焦度计又称对光机、查片机,可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等,是眼镜片冷加工中必不可少的检测仪器。
- AIM: To evaluate the therapeutic effects of using prism effect in the correction of muscular asthenopia by changing optical center of presbyopic glasses. 目的:应用改变近用老视镜的光学中心所产生的三棱镜效应,消除老视患者近距离阅读和工作的肌性视疲劳。
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- He moved the table over to the center of the room. 他把桌子移到房间中心。
- The land is destined for a new shopping center. 这块地已被划作为营建一个新购物中心之用。
- His activities in London center around this spot. 他在伦敦的活动以这个地点为中心。
- The strikers paraded through the city center. 罢工队伍游行穿过市中心。
- A system of roads radiates from the town center. 一个道路网从镇中心向四面八方伸展出去。
- The new hospital will be sited at the city center. 新医院将座落在市中心。
- New York is a great financial center. 纽约是一个重要的金融中心。
- The center of the sun is exceedingly hot. 太阳的中心极其热。
- Light stimulates the optic nerve. 光刺激视神经。
- Our city is the industry center of the country. 我们城市是全国的工业中心。
- They made a detour to avoid the town center. 他们绕道而行,避开市中心。
- A circle without a center is inconceivable. 一个没有圆心的圆是无法想像的。