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three-grade; three-stepped | |||
third | |||
Tertiary | |||
three-step (ped); triple-stage | |||
three-stage | |||
three-step | |||
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three-stage | |||
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three-level |
三级 的 : 27 phrases in 12 subjects |
Agriculture | 4 |
Athletics | 2 |
Aviation | 1 |
Ecology | 1 |
Economy | 2 |
Environment | 1 |
General | 2 |
Genetics | 2 |
International trade | 1 |
Research and development | 1 |
Sports | 5 |
Technology | 5 |