单项选择题
根轨迹与虚轴的交点处,系统处于( )
未知题型 部队之间,根据上级命令或者指示,可以构成支援与被支援、配属与被配属等关系()
判断题 In the second phase of Imagism, Pound replaced Amy Lowell and under his guidance were published several anthologies, entitled Some Imagist Poets.
未知题型 升国旗时,在场的全体军人应当面向国旗立正,着军服的行举手礼,着便服的行注目礼()