回複：回複：同軸電纜- old but nice problem

當 n = 2, 必須用有極性的測量方式 (直流電壓或電流)。
N = 1 ( A -> B)
當 n > 2 and n = 奇數時，N = 2 ( A -> B, B -> A)。

當 n > 2 and n = 偶數時，N = 3 ( A -> B, 排除一根，n 成奇數, B -> A, A -> B )。

所有跟帖： 

• 沒太理解- some good thought but seems you are incorrect -guest007- ♀ (248 bytes) () 02/13/2010 postreply 18:29:55