例句與造句

1. The paper contains all kinds of knowledge related to the system , including maxwell electromagnetic theory , pattern of optical radiation in space , channel model of atmosphere communication , computer communication protocols , wireless lan communication protocols , medium access control protocol , carrier sense multiple access / collision detection protocol , manchester coding theory , pulse position modulation coding theory and so on
   主要包括： maxwell電磁理論；發(fā)送光場(chǎng)模型；空間信道模型；計(jì)算機(jī)網(wǎng)絡(luò)通信技術(shù)：無線局域網(wǎng)通信技術(shù)；媒體訪問控制規(guī)程( mac ) ；載波檢測(cè)多址接入碰撞檢測(cè)規(guī)程( csma cd ) ；曼徹斯特編碼與ppm編碼技術(shù)等。
2. It's difficult to find pulse position modulation code in a sentence. 用pulse position modulation code造句挺難的