| 摘要 |
A method of measuring the times taken for carrying mail through a network of postal sorting machines between at least a mail departure point and a mail arrival point, which method comprises the following steps, a) using first dummy mailpieces to measure first mail carrying times taken to carry said first dummy mailpieces from the departure point to a certain postal sorting machine of the network; b) using real mailpieces to measure second mail carrying times taken to carry said real mailpieces from said certain sorting machine of the network to another postal sorting machine of the network; and c) using second dummy mailpieces to measure third mail carrying times taken to carry said second dummy mailpieces from said other postal sorting machine to the arrival point. |
