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Abstract: With the development of optoelectronics, Non-Rotationally Symmetric Surface (NRS surface) components play a crucial and even decisive role in a series of science and technology fields, such ...

“The material is thick, durable, and perfect for everyday use.” The Jldtop Heavy-Duty Small Tool Bag is on sale for $9 at Amazon, half of its typical $19 price tag. This deal is good on the army green ...