例句與造句

1. Due to the location of mountainous areas and highlands , the extremely unfavorable clearance condition of the airfields and the volatile weather , plus the complex terrain of highland airlines and the very high enroute safety altitude , the analysis and management of flight performance stands out to be a critical problem
   摘要對位于山地和高原地區(qū)的機場，一般凈空條件極差、氣候復(fù)雜多變，高原航線地形復(fù)雜、航路安全高度高，飛行性能分析及管理問題尤其突出。
2. It's difficult to find performance stand in a sentence. 用performance stand造句挺難的