The definitions of long axis trap and trap depth are given. The geometrical feature of the algorithm is characterized.

定义了长轴陷阱及陷阱深度，用它们刻划了该算法迭代过程中锯齿现象的几何特征。

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A geometrical expressive method of the machine-readable data concerning number axis is introduced, and with this method, the question of overflow related to complement arithmetic is analyzed.

介绍了机器数在数轴上的几何表示方法，并用此方法分析了补码运算的溢出问题。

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On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied.

结合物理学的基本原理和几何光学的基本规律以及光度学的基础理论等三方面，研究了单纤维在平行均匀光束垂轴入射时的光学性质。

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