The equivalent hot spot method for riser design has the advantages of direct visual and simple calculation.
冒口的当量热节设计法，概念直观，计算简单。
Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。
The experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.
前言：对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。
Based on the diffraction imaging theory, we developed an analytical formula of Verling Glare Index of optical system by "balck spot" method.
根据光学衍射成像理论，建立了黑斑法测量光学系统杂光的杂光系数解析式。
Based on the diffraction imaging theory, we developed an analytical formula of Verling Glare Index of optical system by "balck spot" method.
根据光学衍射成像理论，建立了黑斑法测量光学系统杂光的杂光系数解析式。
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