| |||
| carbon 14 dating; radiocarbon dating | |||
| |||
| carbon-14 dating | |||
| carbon 14 age; radiocarbon age; radiocarbon dating | |||
|
C-14- Datierung : 3 短语, 1 学科 |
| 生物学 | 3 |
| |||
| carbon 14 dating; radiocarbon dating | |||
| |||
| carbon-14 dating | |||
| carbon 14 age; radiocarbon age; radiocarbon dating | |||
|
C-14- Datierung : 3 短语, 1 学科 |
| 生物学 | 3 |