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A light microscope is an instrument that uses lenses to make enlarged images of objects that are too small for the unaided eye to see.
An optical instrument (or "optic" for short) is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties. Common examples include periscopes, microscopes, telescopes, and…Continue
"Project cost control" is one of the central low volume injection molding tasks of business operation and management, which has a vital practical significance for business operation. In other words, under a certain total amount of work and market price standard, the level of cost will not only affect the survival of the company, but also…Continue