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ƱŻ֪ʶѧϰ֮OBVĿΪṩרҵOBVƱָ֪ʶȫ

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Ϊʲô˵OBVָܳOBVָԭ

OBVָķΧΪһ˷ģڼƱɽɼ֮ƹϵһָꡣǣܵ˵ⶫûУdzΪʲô˵OBVָܳСΪ˵˵OBVָԭģ

Ϊʲô˵OBVָܳ
Ϊʲô˵OBVָܳ

һ˵ǸݹɼΪģʵжгʱɽҲ𵽼ΪҪãеʱԵáУΪͻļָOBVһЩؼʱڿھ򵽴ͶҪгɽı仯ȥѰ쳣ĸɣָǽΪIJο

OBVҲΪһλͶʷ1981괴ģۻ򡢹ɼǹӳɽı仯ƿɷжϹɼ۵תơļ㹫ʽһӼijɽ̼۸ǰһ̼ۣǰijɽΪӵģġγۼߡּļ㷽һЩͶ߻ڴ˻ϽһЩڶ£ָͶߵָ岢󣬵һЩؼתʱ൱Եġ

ͨʹ÷ԣһDZʾҲǵɼڲǹиָû֮¸ߣڹɼ۳µиָܾµʾɼзŤת⻹Ҫָۺжϣ׼ȷʲߡһǵײǶʾѡʱɹɼеµʱ򣬸ָʾźų֡һԣɼ۲УOBV̬ϳ5ϵġN̬ŵʱ򣬾Ƕļ󡣵ʵУνıdzģ׼ȷжϳͷߵײȷλãҪϼ̬ۺжϡ

صܵѰҳĴķǰȷһֻ룬ڸɼ۱µߵͣһֱԵķ顣ʱOBVָпжɼʱڡһԣֳɼ۲̽OBVֵ̽ߵͣdz̵ֺ̬ƣʱһϣʱԽһҲԽ

Ҫָǣڶ£OBVָͶߵָ岻ΪгģɵĹɱӣֵDzӵģOBVָҪڸɳּ¾һʾáʵѰׯɺIJǰҪҪҵʽ벢׵ĸɣִȵ顣ʱۺгȵĵȷأOBVĺʱۺϷһֵϴ¸ߣǸùɳִĿʼͶ߿Լʱ롣