官方数据表明，目前国内的规范经济中每四人中就有一人失业。
Officially, one in every four people in the formal economy is now unemployed.
目前国内针对塑料薄膜表面的疵点检测基本上还是由人工视觉完成。
At present, the defect inspection of the pellicle is basically done by human vision in China.
但目前国内尚无相关的具体规定，本文在这些方面做了初步的尝试。
But presently we have no concrete prescript in the field. This thesis is trying to solve this problem.
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