Laser refers to the product of stimulated emission light amplification, it has a monochrome, collimation, coherence and high energy density and other characteristics. It is because of the superior characteristics of laser, people will be widely used in human life in all aspects, such as printing, welding, cutting, communication, storage, etc., can be said th I randomly pointed the laser at one of those orange plastic pumpkin things...
ادامه مطلبما را در سایت I randomly pointed the laser at one of those orange plastic pumpkin things دنبال می کنید
برچسب : نویسنده : 0michale9 بازدید : 17 تاريخ : پنجشنبه 3 خرداد 1397 ساعت: 14:52