例句與造句

1. The method based on joint parameter estimation shows preferable performance almost at all times , in cases of various number of targets and various type of signal envelope
   基于參數(shù)聯(lián)合估計的多目標(biāo)定位方法在不同目標(biāo)數(shù)目、不同信號包絡(luò)的定位實(shí)驗中都有較好的表現(xiàn)。
2. It's difficult to find signal envelope in a sentence. 用signal envelope造句挺難的