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Forum on Science and Technology in China
1002-6711
1998 Issue 6
liang lei nong ye chan ye hua de qu bie ji dui ce
ding li
..............
page:46-49
ji shu chuang xin de zhang ai yin su fen xi ji dui ce
..............
page:33-36，62
ke xue ji liang xue yu tong xing ping yi
jiang guo hua
..............
page:25-28
