Criterion function is designed to determine the verticality grade between the optical axis and the reference surface without the knowledge of the reference's dimension.
在无需知道参考物面尺寸的情况下，提出判定函数，调节光轴与载物台垂直。
Criterion function is designed to determine the verticality grade between the optical axis and the reference surface without the knowledge of the reference's dimension.
在无需知道参考物面尺寸的情况下，提出判定函数，调节光轴与载物台垂直。
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