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Which is better, optics or programming?

Optics.

202 1 average salary of optical design is 22.7k/ month, 2020 optical design 15.0k/ month, 202 1 NC programming 9.6k/ month, 2020 NC programming 8.5k/ month, and 202 1 optical design.

202 1 The number of optical design posts is 302, 202 1 The number of NC programming posts is 8.7K, which is lower than that of NC programming. Optical design is equal to numerical control programming.