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| Subject | English | Chinese |
| gen. | cruising r. p. m. | 巡航每分钟转速 |
| tech. | maximum r. p.m. | 每分钟最大转数 |
| auto. | output r.p.m. | 变速器输出转速 |
| polygr. | r.p.m.revolutions per minute | 每分钟转数 |
| met. | r.p.m. meter | 转速表 (用于测量每分钟转数) |
| gen. | the cutting speed is stated in linear terms, as a speed stated in r. p. m. is, by itself, meaningless | 切削速度是用线速度来表示的,因为用每分钟的转数来表示的速度本身是没有意义的 |