Metal polished face, through the resolution, will have a glossy, reflective, examining the structure, both to check in with the light microscope (Optical microscope) and stereo cameras can't see the phase structure is different because the light reflects back that Planar will give birth to a different phase of each phase must therefore bring a piece of work that has to make the cut or cause corrosion of each phase by the use of chemicals called etching.
การแปล กรุณารอสักครู่..