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| direct-viewing method | |||
| direct-vision method | |||
| intuitive procedures | |||
| direct vision method | |||
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直观 法 : 19 phrases in 9 subjects |
| Agriculture | 2 |
| Business | 6 |
| Chemistry | 1 |
| Economy | 1 |
| Genetics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Sports | 1 |
| Technology | 4 |
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