电子密度投影
electron density projection
电流计光点投影器
galvanometer spot project
电传光学投影系统
TOPS Teletype Optical Projection System
teletype optical projection system
tops
电子束缩小投影曝光
ampoule cleaning-drying and filling-sealing interlocking machine
电传打字光投影系统
teletype optical projection system
tops
第一角象限投影
first quadrant projection
点投影显微镜
Point projection microscope
电子束投影曝光
E-beam projection lithography
projection electron beam lithography