 |
标志操作
| 数
| 标志操作 | |
| tech. | flag operation |
| H 数 | |
| space | H number |
| Re数 | |
| space | Reynolds number |
| f 数 | |
| telecom. | f-number |
| 数 | |
| avia. | enumerate |
| bridg.constr. | figure |
| met. | tale |
| sport. | count |
| tech. | number; numerate |
| |||
| flag operation | |||
|
标志操作 : 5 phrases in 2 subjects |
| Space | 1 |
| Technology | 4 |
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