| |||
Anthropogene | |||
Quaternary (Period) | |||
Quaternary era | |||
quarternary; Quaternary (系) | |||
Quarternary Period | |||
Quaternary | |||
Quaternary Period | |||
Alluvium period | |||
| |||
quaternary | |||
Quaternary period; Quaternary System | |||
| |||
quaternary | |||
| |||
Quaternary period (system) |
第四纪: 96 phrases in 13 subjects |
Agriculture | 1 |
Bridge construction | 2 |
Desert science | 14 |
Drilling | 1 |
Earth sciences | 19 |
Ecology | 3 |
Engineering geology | 4 |
General | 3 |
Geology | 18 |
Hydroelectric power stations | 3 |
Oil / petroleum | 3 |
Sports | 1 |
Technology | 24 |