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tier II
| standard
| Tier II | |
| auto. | 2级 |
| standard | |
| gen. | 水准; 格; 水平; 表均 |
| el. meas.inst. | 测量标准 |
| environ. | 标准 |
| hydroel.st. | 准则; 规格 |
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| 美国汽车排放标准2级 | |||
| tier II: 6 phrases in 3 subjects |
| Corporate governance | 1 |
| Nautical | 1 |
| Securities | 4 |
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