Adcs
高级国防通信系统（advanced defense communications system）\\n先进的发展中国家advanceddevelopingcountries\\n姿态确定和控制子系统（attitude determination and control system）\\n防空指挥所（air defense command post）
🗣️ 情景例句
78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
He emerged as leader at the age of thirty.
他在30岁时出人头地成为领袖。
Latham made another attempt a week later and got within half a mile of Dover, but he was unlucky again.
莱瑟姆一周以后也作了一次尝试，飞到离多佛不到半英里的地方。