外行問一下,雌雄是怎麽定義的,由什麽引起的,螺旋或棒狀是怎樣產生的
所有跟帖:
• 別著急,慢慢思考!人類曆史遭遇那麽多磨難, -9$- ♂ (230 bytes) () 11/08/2012 postreply 10:16:39
• 雌雄的根據是什麽?一個有JJ -弄波- ♂ (0 bytes) () 11/08/2012 postreply 10:39:46
• 別著急,慢慢思考!人類曆史遭遇那麽多磨難, -9$- ♂ (230 bytes) () 11/08/2012 postreply 10:16:39
• 雌雄的根據是什麽?一個有JJ -弄波- ♂ (0 bytes) () 11/08/2012 postreply 10:39:46
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