00375nam a22001577a 4500003000700000005001700007008004100024082001700065100002600082245002500108250001100133260002800144300000800172490002000180650001700200MPLRDC20220104124516.0210129b           ||||| |||| 00| 0 eng d  a308 NDWK v.6  a牛顿编译中心译  a天文观测手册c  a初版  ab牛顿出版社c1985  b平  a牛顿文库. 6  a科学丛书