һƲⷨ(ֳvͷ)
÷Χ
----顢ѧҵҵ
ʾģ"һƲⷨ"רѵѡ񡣱磺ͬʱ׷㣬
ȴ޷뻻һµĹ˾ȴ֪᲻ԭĹ˾⣬
һѡ·δŸ㿴ͿԽȽϣһ·á

ڷ
1.ϴ֮ǰ߾·ͼʾУvΣ߷ֱͬѡ
Ҫһߴһѡ񣬲֮μģԲø֪ռߡȵ2.ȷ
ٽһϴơơ
3.Ƶı泯ϣ£ʱͼʾ (1) λá
4.Ʒһߣ㽫ʹǡȻʣµһ飬żȡ
 (2)  (3) λá
5.ͬƷһߡٰʣµһ飬żȡ
 (4)  (5) λá
6.˳ƿÿƣн
 4      5
   2  3
     1
λ
(1)߱Ŀǰߵ״
(2)ѡ׵ֿ
(3)ѡҵֿ
(4)ѡaԺδķչ
(5)ѡԺδķչ
ϣһȽϵİڷڽʱҪضѡıȽϡȻʱҲ
߶ûʲôǰ;Ե״
