本文介绍并推导了用部分相干光成象和用作光学信息处理的原理和公式。
According to the principles of partially coherent light imaging, a new method of white light malti processing is proposed, and some necessary formulae are introduced.
本文根据电子设备热设计的基本原理和公式，编制了彩色电视机机壳热设计程序。
In this paper, the thermal design program for color TV set housing is programed according to the basic principles and formulas of the thermal design for electronic devices.
最后介绍变高度薄壁箱梁的弯剪应力计算原理和公式。并指出其他计算公式的不足之处。
Finally the theory and formula of bend-shear stress calculation in prestressed thin wall box beams with variable depth are introduced and it is indicated that other formula is inadequate.
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