In this paper some experimental data and results on the measurement of the sensitive character of astronomical photographic plate are offered.
报道了作者关于天文照相底片感光特性测量的部分实验数据和研究成果，总结了在该领域内长期工作的经验。
In this article, the method is described for measuring the scales of the two coordinate axes of a CCD plate through astronomical observations and the nonperpendicularity of the axes.
本文叙述了用天文观测测定CCD片子上两坐标各自比例尺和两坐标轴不垂直度的方法；
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