Dispersion measurement of optical glass and discussion of the approximate calculation method.
光学玻璃的色散特性测量及近似计算方法的讨论。
The relationship and difference between electric potential energy, interaction energy and electrostatic energy are revealed through calculation and discussion of some examples.
通过具体例子的计算和讨论，揭示了静电场中的电势能、相互作用能和静电能之间的联系和区别。
Discussion on the design calculation of traffic capacity at highway fee collection square, some problems misunderstanded easily and a design work by the writer are presented.
详述了道路收费广场通行能力的设计计算方法，探讨了容易产生歧义理解的一些问题，并介绍了一项设计工作。
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