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| 地质时代 | |||
| 地质年龄 | |||
| 地质年代地球和地壳地质历史的编年，即地球、地层或地质事件发生的年代及年龄 | |||
| 地质年代 | |||
| 地质期; 地质年代 | |||
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| 地质年代 | |||
| 地质时代 | |||
| 地质年龄 | |||
| 地质期; 地质年代 | |||
| English thesaurus | |||
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| A geologic age is the lowest rank unit of time for the geologic time scale (MichaelBurov) | |||
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| GA (Alex Lilo) | |||
| geological age: 16 phrases in 3 subjects |
| Earth sciences | 3 |
| Oil / petroleum | 1 |
| Technology | 12 |
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