例句與造句

1. Abstract : the single toroidal non - reciprocal ferrite phase shifter that isthe key components of a phase array antenna is studied to develop the phase array antenna for autotracking synchronous communication satellite
   文摘:為了研制自動(dòng)跟蹤同步通信衛(wèi)星平板相控天線陣系統(tǒng)，對(duì)相控陣天線中的關(guān)鍵元件單環(huán)非互易鐵氧體移相器進(jìn)行了研究。
2. It's difficult to find synchronous communications satellite in a sentence. 用synchronous communications satellite造句挺難的