A position sensor based on slit projection is developed.Its measurement principle and application in precision positioning are described.A projection slit is illuminated by a collimated laser beam.是什么意思_A position sensor based on slit projection is developed.Its measurement principle and application in precision positioning are described.A projection slit is illuminated by a collimated laser beam.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句