command pattern命令: order; command; directive; i ...模式: model; mode; pattern; type; ...層級(jí)命令模式: hierarchy command mode創(chuàng)建命令模式: create command mode命令模式分時(shí): time sharing command mode下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯