n. (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
n. a degree in a continuum of size or quantity
n. established customary state (especially of society)
n. a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
n. 次序, 规则, 命令
vi. 命令, 定货
vt. 整理, 命令, 定购
n. 顺序, 阶数
[计] 顺序, 阶数