点波波形
Breast ductal atypical hyperplasia
点波束可移动天线
movable spot-beam antenna
多点波束天线
multiple spot beam antenna
antenna
multiple spot beam
专用多点波束
multiple-exclusive spot beam
beam
multiple-exclusive spot
低分辨扇形束投影数据
Low resolution fan beam projection data
电子束投影曝光
E-beam projection lithography
projection electron beam lithography