例句與造句

1. The regenerative characteristics , performance parameters and optimal theories of the encsson and stirling cycles using respectively a ferroelectric material , a ferromagnetic material , a classical gas , a quantum gas and a spin system as the working substance are researched for different operating conditions
   本論文主要研究以鐵電材料、鐵磁材料、經(jīng)典氣體、量子氣體和自旋系統(tǒng)等不同材料為工作物質(zhì)的埃里克森循環(huán)和斯特林循環(huán)在各種不同條件下的回?zé)崽卣?、性能參?shù)及優(yōu)化理論。
2. It's difficult to find classical gas in a sentence. 用classical gas造句挺難的