single tone command [计] 单音指令
multi-tone command 多音指令
tone digital command 音频数位命令
Tone Digital Command System 单音数字指令系统
tone code command 单音码指令
one's tone of command 命令的口吻
tone command
语气命令
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The book's tone is breezy, but his command of the subject is such that even a well-schooled economist will discover much that is new.
ECONOMIST: Economics
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