例句與造句

1. With the development of science and tecbnology , the electronic warfare has gotten to a new stage , electronic jammers , anti - radialized missiles , superlow altitude attacks have turned into great threats confronted with radar nowadays . former single - based radar not only had difficulty in finishing expected tasks , but also the survival of itself had been a pressing problem , people have to probe into multifarious countermeasures in order to improve the viability and effective work - capacity
   隨著科技的發(fā)展，雷達(dá)電子戰(zhàn)發(fā)展到一個(gè)新的階段，電子干擾、反輻射導(dǎo)彈、低空突防和隱身武器已成為當(dāng)今雷達(dá)面臨的四大威脅。傳統(tǒng)的有源雷達(dá)不僅很難完成預(yù)定的任務(wù)，而且自身的生存也成了緊迫問題，人們不得不積極探討各種對(duì)策，以提高雷達(dá)的生存和有效工作能力。
2. It's difficult to find electronic jammer in a sentence. 用electronic jammer造句挺難的