变形：一个影像的水平空间和垂直空间里，这个光学系统呈现不同的放大倍数。
Anamorphic: an optical system having different magnifications in the horizontal and vertical dimensions of the image.
其结果就是同一枚镜头可以使用多种不同的工作距离和放大倍数，也能在整个视场中保持较高的图像质量。
The result is a lens with a great variety of WD and magnifications while maintaining a high quality image in the entire FOV.
不同台基和仪器放大倍数的差别，通过加等效台站校正值来改正(见表1)。
The corrections are needed for different site conditions and magnification of seismograph through the application of the equivalent station correction value for site conditions (see table 1).
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