variable quasar、
optically violent variable
quasar
oxygen sequence 氧序
pan 摇镜头
parry arc 彩晕弧
partial-eclipse solution 偏食解
particle astrophysics 粒子天体物理
path of annularity 环食带
path of totality 全食带
PDS, photo-digitizing system、 PDS、数字图象仪、
photometric data system 测光数据仪
