例句與造句

1. Hence , a series of evolutionary gsm technologies , such as hscsd , gprs and edge . packet communication technology provides services like e - mail , ftp and e - commerce
   因而，大力發(fā)展3g ，仍然是我國發(fā)展移動通信極為重要的戰(zhàn)略決策，其出發(fā)點主要是：
2. A network switch system that includes a plurality of first - level switches operating in a slave mode , the first - level switches providing a plurality of local ports for receiving and sending network packets , and a plurality of second - level switches operating in one of brain mode or master mode , wherein , the first - level switches includes a plurality of upward ports connecting to the second - level switches , each of the first - level switches and the second - level switches having a forwarding database , wherein the first - level switches sends the refresh packets to the second - level switches for synchronizing the forwarding databases of the second - level switches , wherein the second - level switches providing packet communications among the first - level switch operating in the brain mode providing refresh packets to the first - level switches for synchronizing the forwarding databases of the first - level switches
   一種網(wǎng)路交換系統(tǒng)，包括：復數(shù)個操作在從架構(gòu)模式的第一階交換器，此第一階交換器提供復數(shù)個在地埠以收送網(wǎng)路封包，和復數(shù)個操作在中樞架構(gòu)模式或主架構(gòu)模式下的第二階交換器，其中，第一階交換器包括復數(shù)個上行埠連接到第二階交換器，每一個第一階和第二階交換器內(nèi)有一轉(zhuǎn)送資料庫，其中，第一階交換器發(fā)送更新封包到第二階交換器以同步位于第二階交換器內(nèi)的轉(zhuǎn)送資斗庫，其中，第二階交換器提供第一階交換器彼此間的封包通訊，且其中，操作在中樞架構(gòu)模式下的第二階交換器可發(fā)送更新封包到第一階交換器以同步位于第一階交換器內(nèi)的轉(zhuǎn)送資料庫。
3. It's difficult to find packet communication in a sentence. 用packet communication造句挺難的