The paper provides a detailed introduction of the design and fulfillment of some pivotal modules like software download module , main board and spare board synchronize module and several other modules 本文詳細介紹了其中的關(guān)鍵模塊? ?軟件下載模塊和主備同步模塊的設(shè)計和實現(xiàn),并對其它模塊也進行了簡單的闡述。