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。
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.
大学物理实验中分光计实验的难点在于调节仪器使望远镜光轴垂直于分光计中心转轴。
The difficulty in spectrometer experiment is adjusting the optical axis of telescope to be vertical to the revolving axis of the spectrometer.
本文以jjy型分光计为例，对分光计的聚焦与光轴倾斜度这两方面的调节做了系统论述。
Taking the JJY model spectrometer as an example, the focusing and inclination of optical axis are discussed in this paper.
本文详细描述如何调节分光计以使望远镜光轴与其旋转轴严格垂直。
This paper describes in detail how to adjust spectrometer so as to keep a strict vertical between optic axis and rotation axis of telescope.
用几种分光光度计研究了一些一轴晶矿物平行和垂直于主光轴方向的吸收程度。
Degree of absorption along and perpendicular to the main optical axis was studied for some uniaxial minerals, using several types of spectrophotometers.
用几种分光光度计研究了一些一轴晶矿物平行和垂直于主光轴方向的吸收程度。
Degree of absorption along and perpendicular to the main optical axis was studied for some uniaxial minerals, using several types of spectrophotometers.
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